871428880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:473

約数の個数: 160

約数和(自身を含む): 2393846784

約数和(自身を除く): 1522417904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 113, 140, 188, 226, 235, 280, 293, 329, 376, 452, 470, 560, 565, 586, 658, 752, 791, 904, 940, 1130, 1172, 1316, 1465, 1582, 1645, 1808, 1880, 2051, 2260, 2344, 2632, 2930, 3164, 3290, 3760, 3955, 4102, 4520, 4688, 5264, 5311, 5860, 6328, 6580, 7910, 8204, 9040, 10255, 10622, 11720, 12656, 13160, 13771, 15820, 16408, 20510, 21244, 23440, 26320, 26555, 27542, 31640, 32816, 33109, 37177, 41020, 42488, 53110, 55084, 63280, 66218, 68855, 74354, 82040, 84976, 96397, 106220, 110168, 132436, 137710, 148708, 164080, 165545, 185885, 192794, 212440, 220336, 231763, 264872, 275420, 297416, 331090, 371770, 385588, 424880, 463526, 481985, 529744, 550840, 594832, 662180, 743540, 771176, 927052, 963970, 1101680, 1158815, 1324360, 1487080, 1542352, 1556123, 1854104, 1927940, 2317630, 2648720, 2974160, 3112246, 3708208, 3855880, 4635260, 6224492, 7711760, 7780615, 9270520, 10892861, 12448984, 15561230, 18541040, 21785722, 24897968, 31122460, 43571444, 54464305, 62244920, 87142888, 108928610, 124489840, 174285776, 217857220, 435714440, 871428880]

約数ペア:

[(1, 871428880), (2, 435714440), (4, 217857220), (5, 174285776), (7, 124489840), (8, 108928610), (10, 87142888), (14, 62244920), (16, 54464305), (20, 43571444), (28, 31122460), (35, 24897968), (40, 21785722), (47, 18541040), (56, 15561230), (70, 12448984), (80, 10892861), (94, 9270520), (112, 7780615), (113, 7711760), (140, 6224492), (188, 4635260), (226, 3855880), (235, 3708208), (280, 3112246), (293, 2974160), (329, 2648720), (376, 2317630), (452, 1927940), (470, 1854104), (560, 1556123), (565, 1542352), (586, 1487080), (658, 1324360), (752, 1158815), (791, 1101680), (904, 963970), (940, 927052), (1130, 771176), (1172, 743540), (1316, 662180), (1465, 594832), (1582, 550840), (1645, 529744), (1808, 481985), (1880, 463526), (2051, 424880), (2260, 385588), (2344, 371770), (2632, 331090), (2930, 297416), (3164, 275420), (3290, 264872), (3760, 231763), (3955, 220336), (4102, 212440), (4520, 192794), (4688, 185885), (5264, 165545), (5311, 164080), (5860, 148708), (6328, 137710), (6580, 132436), (7910, 110168), (8204, 106220), (9040, 96397), (10255, 84976), (10622, 82040), (11720, 74354), (12656, 68855), (13160, 66218), (13771, 63280), (15820, 55084), (16408, 53110), (20510, 42488), (21244, 41020), (23440, 37177), (26320, 33109), (26555, 32816), (27542, 31640)]