400906240

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 1210023360

約数和(自身を除く): 809117120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 47, 49, 56, 64, 68, 70, 80, 85, 94, 98, 112, 119, 128, 136, 140, 160, 170, 188, 196, 224, 235, 238, 245, 256, 272, 280, 320, 329, 340, 376, 392, 448, 470, 476, 490, 512, 544, 560, 595, 640, 658, 680, 752, 784, 799, 833, 896, 940, 952, 980, 1024, 1088, 1120, 1190, 1280, 1316, 1360, 1504, 1568, 1598, 1645, 1666, 1792, 1880, 1904, 1960, 2048, 2176, 2240, 2303, 2380, 2560, 2632, 2720, 3008, 3136, 3196, 3290, 3332, 3584, 3760, 3808, 3920, 3995, 4165, 4352, 4480, 4606, 4760, 5120, 5264, 5440, 5593, 6016, 6272, 6392, 6580, 6664, 7168, 7520, 7616, 7840, 7990, 8330, 8704, 8960, 9212, 9520, 10240, 10528, 10880, 11186, 11515, 12032, 12544, 12784, 13160, 13328, 14336, 15040, 15232, 15680, 15980, 16660, 17408, 17920, 18424, 19040, 21056, 21760, 22372, 23030, 24064, 25088, 25568, 26320, 26656, 27965, 30080, 30464, 31360, 31960, 33320, 34816, 35840, 36848, 38080, 39151, 42112, 43520, 44744, 46060, 48128, 50176, 51136, 52640, 53312, 55930, 60160, 60928, 62720, 63920, 66640, 71680, 73696, 76160, 78302, 84224, 87040, 89488, 92120, 96256, 100352, 102272, 105280, 106624, 111860, 120320, 121856, 125440, 127840, 133280, 147392, 152320, 156604, 168448, 174080, 178976, 184240, 195755, 204544, 210560, 213248, 223720, 240640, 243712, 250880, 255680, 266560, 294784, 304640, 313208, 336896, 357952, 368480, 391510, 409088, 421120, 426496, 447440, 481280, 501760, 511360, 533120, 589568, 609280, 626416, 673792, 715904, 736960, 783020, 818176, 842240, 852992, 894880, 1022720, 1066240, 1179136, 1218560, 1252832, 1431808, 1473920, 1566040, 1636352, 1684480, 1705984, 1789760, 2045440, 2132480, 2358272, 2505664, 2863616, 2947840, 3132080, 3368960, 3579520, 4090880, 4264960, 4716544, 5011328, 5727232, 5895680, 6264160, 7159040, 8181760, 8529920, 10022656, 11454464, 11791360, 12528320, 14318080, 20045312, 23582720, 25056640, 28636160, 40090624, 50113280, 57272320, 80181248, 100226560, 200453120, 400906240]

約数ペア:

[(1, 400906240), (2, 200453120), (4, 100226560), (5, 80181248), (7, 57272320), (8, 50113280), (10, 40090624), (14, 28636160), (16, 25056640), (17, 23582720), (20, 20045312), (28, 14318080), (32, 12528320), (34, 11791360), (35, 11454464), (40, 10022656), (47, 8529920), (49, 8181760), (56, 7159040), (64, 6264160), (68, 5895680), (70, 5727232), (80, 5011328), (85, 4716544), (94, 4264960), (98, 4090880), (112, 3579520), (119, 3368960), (128, 3132080), (136, 2947840), (140, 2863616), (160, 2505664), (170, 2358272), (188, 2132480), (196, 2045440), (224, 1789760), (235, 1705984), (238, 1684480), (245, 1636352), (256, 1566040), (272, 1473920), (280, 1431808), (320, 1252832), (329, 1218560), (340, 1179136), (376, 1066240), (392, 1022720), (448, 894880), (470, 852992), (476, 842240), (490, 818176), (512, 783020), (544, 736960), (560, 715904), (595, 673792), (640, 626416), (658, 609280), (680, 589568), (752, 533120), (784, 511360), (799, 501760), (833, 481280), (896, 447440), (940, 426496), (952, 421120), (980, 409088), (1024, 391510), (1088, 368480), (1120, 357952), (1190, 336896), (1280, 313208), (1316, 304640), (1360, 294784), (1504, 266560), (1568, 255680), (1598, 250880), (1645, 243712), (1666, 240640), (1792, 223720), (1880, 213248), (1904, 210560), (1960, 204544), (2048, 195755), (2176, 184240), (2240, 178976), (2303, 174080), (2380, 168448), (2560, 156604), (2632, 152320), (2720, 147392), (3008, 133280), (3136, 127840), (3196, 125440), (3290, 121856), (3332, 120320), (3584, 111860), (3760, 106624), (3808, 105280), (3920, 102272), (3995, 100352), (4165, 96256), (4352, 92120), (4480, 89488), (4606, 87040), (4760, 84224), (5120, 78302), (5264, 76160), (5440, 73696), (5593, 71680), (6016, 66640), (6272, 63920), (6392, 62720), (6580, 60928), (6664, 60160), (7168, 55930), (7520, 53312), (7616, 52640), (7840, 51136), (7990, 50176), (8330, 48128), (8704, 46060), (8960, 44744), (9212, 43520), (9520, 42112), (10240, 39151), (10528, 38080), (10880, 36848), (11186, 35840), (11515, 34816), (12032, 33320), (12544, 31960), (12784, 31360), (13160, 30464), (13328, 30080), (14336, 27965), (15040, 26656), (15232, 26320), (15680, 25568), (15980, 25088), (16660, 24064), (17408, 23030), (17920, 22372), (18424, 21760), (19040, 21056)]