290017280

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{17}}^2$

素因数の和:77

約数の個数: 234

約数和(自身を含む): 860005854

約数和(自身を除く): 569988574

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 224, 238, 245, 256, 272, 280, 289, 320, 340, 392, 448, 476, 490, 512, 544, 560, 578, 595, 640, 680, 784, 833, 896, 952, 980, 1024, 1088, 1120, 1156, 1190, 1280, 1360, 1445, 1568, 1666, 1792, 1904, 1960, 2023, 2048, 2176, 2240, 2312, 2380, 2560, 2720, 2890, 3136, 3332, 3584, 3808, 3920, 4046, 4096, 4165, 4352, 4480, 4624, 4760, 5120, 5440, 5780, 6272, 6664, 7168, 7616, 7840, 8092, 8330, 8704, 8960, 9248, 9520, 10115, 10240, 10880, 11560, 12544, 13328, 14161, 14336, 15232, 15680, 16184, 16660, 17408, 17920, 18496, 19040, 20230, 20480, 21760, 23120, 25088, 26656, 28322, 28672, 30464, 31360, 32368, 33320, 34816, 35840, 36992, 38080, 40460, 43520, 46240, 50176, 53312, 56644, 60928, 62720, 64736, 66640, 69632, 70805, 71680, 73984, 76160, 80920, 87040, 92480, 100352, 106624, 113288, 121856, 125440, 129472, 133280, 141610, 143360, 147968, 152320, 161840, 174080, 184960, 200704, 213248, 226576, 243712, 250880, 258944, 266560, 283220, 295936, 304640, 323680, 348160, 369920, 426496, 453152, 487424, 501760, 517888, 533120, 566440, 591872, 609280, 647360, 739840, 852992, 906304, 1003520, 1035776, 1066240, 1132880, 1183744, 1218560, 1294720, 1479680, 1705984, 1812608, 2071552, 2132480, 2265760, 2437120, 2589440, 2959360, 3411968, 3625216, 4143104, 4264960, 4531520, 5178880, 5918720, 7250432, 8286208, 8529920, 9063040, 10357760, 14500864, 17059840, 18126080, 20715520, 29001728, 36252160, 41431040, 58003456, 72504320, 145008640, 290017280]

約数ペア:

[(1, 290017280), (2, 145008640), (4, 72504320), (5, 58003456), (7, 41431040), (8, 36252160), (10, 29001728), (14, 20715520), (16, 18126080), (17, 17059840), (20, 14500864), (28, 10357760), (32, 9063040), (34, 8529920), (35, 8286208), (40, 7250432), (49, 5918720), (56, 5178880), (64, 4531520), (68, 4264960), (70, 4143104), (80, 3625216), (85, 3411968), (98, 2959360), (112, 2589440), (119, 2437120), (128, 2265760), (136, 2132480), (140, 2071552), (160, 1812608), (170, 1705984), (196, 1479680), (224, 1294720), (238, 1218560), (245, 1183744), (256, 1132880), (272, 1066240), (280, 1035776), (289, 1003520), (320, 906304), (340, 852992), (392, 739840), (448, 647360), (476, 609280), (490, 591872), (512, 566440), (544, 533120), (560, 517888), (578, 501760), (595, 487424), (640, 453152), (680, 426496), (784, 369920), (833, 348160), (896, 323680), (952, 304640), (980, 295936), (1024, 283220), (1088, 266560), (1120, 258944), (1156, 250880), (1190, 243712), (1280, 226576), (1360, 213248), (1445, 200704), (1568, 184960), (1666, 174080), (1792, 161840), (1904, 152320), (1960, 147968), (2023, 143360), (2048, 141610), (2176, 133280), (2240, 129472), (2312, 125440), (2380, 121856), (2560, 113288), (2720, 106624), (2890, 100352), (3136, 92480), (3332, 87040), (3584, 80920), (3808, 76160), (3920, 73984), (4046, 71680), (4096, 70805), (4165, 69632), (4352, 66640), (4480, 64736), (4624, 62720), (4760, 60928), (5120, 56644), (5440, 53312), (5780, 50176), (6272, 46240), (6664, 43520), (7168, 40460), (7616, 38080), (7840, 36992), (8092, 35840), (8330, 34816), (8704, 33320), (8960, 32368), (9248, 31360), (9520, 30464), (10115, 28672), (10240, 28322), (10880, 26656), (11560, 25088), (12544, 23120), (13328, 21760), (14161, 20480), (14336, 20230), (15232, 19040), (15680, 18496), (16184, 17920), (16660, 17408)]