212981440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 252

約数和(自身を含む): 640043424

約数和(自身を除く): 427061984

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, 136, 140, 160, 170, 188, 196, 224, 235, 238, 245, 272, 280, 289, 320, 329, 340, 376, 392, 448, 470, 476, 490, 544, 560, 578, 595, 658, 680, 752, 784, 799, 833, 940, 952, 980, 1088, 1120, 1156, 1190, 1316, 1360, 1445, 1504, 1568, 1598, 1645, 1666, 1880, 1904, 1960, 2023, 2240, 2303, 2312, 2380, 2632, 2720, 2890, 3008, 3136, 3196, 3290, 3332, 3760, 3808, 3920, 3995, 4046, 4165, 4606, 4624, 4760, 5264, 5440, 5593, 5780, 6392, 6580, 6664, 7520, 7616, 7840, 7990, 8092, 8330, 9212, 9248, 9520, 10115, 10528, 11186, 11515, 11560, 12784, 13160, 13328, 13583, 14161, 15040, 15680, 15980, 16184, 16660, 18424, 18496, 19040, 20230, 21056, 22372, 23030, 23120, 25568, 26320, 26656, 27166, 27965, 28322, 31960, 32368, 33320, 36848, 38080, 39151, 40460, 44744, 46060, 46240, 51136, 52640, 53312, 54332, 55930, 56644, 63920, 64736, 66640, 67915, 70805, 73696, 78302, 80920, 89488, 92120, 92480, 95081, 105280, 108664, 111860, 113288, 127840, 129472, 133280, 135830, 141610, 147392, 156604, 161840, 178976, 184240, 190162, 195755, 217328, 223720, 226576, 255680, 266560, 271660, 283220, 313208, 323680, 357952, 368480, 380324, 391510, 434656, 447440, 453152, 475405, 543320, 566440, 626416, 647360, 665567, 736960, 760648, 783020, 869312, 894880, 906304, 950810, 1086640, 1132880, 1252832, 1331134, 1521296, 1566040, 1789760, 1901620, 2173280, 2265760, 2505664, 2662268, 3042592, 3132080, 3327835, 3803240, 4346560, 4531520, 5324536, 6085184, 6264160, 6655670, 7606480, 10649072, 12528320, 13311340, 15212960, 21298144, 26622680, 30425920, 42596288, 53245360, 106490720, 212981440]

約数ペア:

[(1, 212981440), (2, 106490720), (4, 53245360), (5, 42596288), (7, 30425920), (8, 26622680), (10, 21298144), (14, 15212960), (16, 13311340), (17, 12528320), (20, 10649072), (28, 7606480), (32, 6655670), (34, 6264160), (35, 6085184), (40, 5324536), (47, 4531520), (49, 4346560), (56, 3803240), (64, 3327835), (68, 3132080), (70, 3042592), (80, 2662268), (85, 2505664), (94, 2265760), (98, 2173280), (112, 1901620), (119, 1789760), (136, 1566040), (140, 1521296), (160, 1331134), (170, 1252832), (188, 1132880), (196, 1086640), (224, 950810), (235, 906304), (238, 894880), (245, 869312), (272, 783020), (280, 760648), (289, 736960), (320, 665567), (329, 647360), (340, 626416), (376, 566440), (392, 543320), (448, 475405), (470, 453152), (476, 447440), (490, 434656), (544, 391510), (560, 380324), (578, 368480), (595, 357952), (658, 323680), (680, 313208), (752, 283220), (784, 271660), (799, 266560), (833, 255680), (940, 226576), (952, 223720), (980, 217328), (1088, 195755), (1120, 190162), (1156, 184240), (1190, 178976), (1316, 161840), (1360, 156604), (1445, 147392), (1504, 141610), (1568, 135830), (1598, 133280), (1645, 129472), (1666, 127840), (1880, 113288), (1904, 111860), (1960, 108664), (2023, 105280), (2240, 95081), (2303, 92480), (2312, 92120), (2380, 89488), (2632, 80920), (2720, 78302), (2890, 73696), (3008, 70805), (3136, 67915), (3196, 66640), (3290, 64736), (3332, 63920), (3760, 56644), (3808, 55930), (3920, 54332), (3995, 53312), (4046, 52640), (4165, 51136), (4606, 46240), (4624, 46060), (4760, 44744), (5264, 40460), (5440, 39151), (5593, 38080), (5780, 36848), (6392, 33320), (6580, 32368), (6664, 31960), (7520, 28322), (7616, 27965), (7840, 27166), (7990, 26656), (8092, 26320), (8330, 25568), (9212, 23120), (9248, 23030), (9520, 22372), (10115, 21056), (10528, 20230), (11186, 19040), (11515, 18496), (11560, 18424), (12784, 16660), (13160, 16184), (13328, 15980), (13583, 15680), (14161, 15040)]