859670840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 2273080320

約数和(自身を除く): 1413409480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 83, 140, 142, 166, 280, 284, 332, 355, 415, 497, 521, 568, 581, 664, 710, 830, 994, 1042, 1162, 1420, 1660, 1988, 2084, 2324, 2485, 2605, 2840, 2905, 3320, 3647, 3976, 4168, 4648, 4970, 5210, 5810, 5893, 7294, 9940, 10420, 11620, 11786, 14588, 18235, 19880, 20840, 23240, 23572, 29176, 29465, 36470, 36991, 41251, 43243, 47144, 58930, 72940, 73982, 82502, 86486, 117860, 145880, 147964, 165004, 172972, 184955, 206255, 216215, 235720, 258937, 295928, 302701, 330008, 345944, 369910, 412510, 432430, 517874, 605402, 739820, 825020, 864860, 1035748, 1210804, 1294685, 1479640, 1513505, 1650040, 1729720, 2071496, 2421608, 2589370, 3027010, 3070253, 5178740, 6054020, 6140506, 10357480, 12108040, 12281012, 15351265, 21491771, 24562024, 30702530, 42983542, 61405060, 85967084, 107458855, 122810120, 171934168, 214917710, 429835420, 859670840]

約数ペア:

[(1, 859670840), (2, 429835420), (4, 214917710), (5, 171934168), (7, 122810120), (8, 107458855), (10, 85967084), (14, 61405060), (20, 42983542), (28, 30702530), (35, 24562024), (40, 21491771), (56, 15351265), (70, 12281012), (71, 12108040), (83, 10357480), (140, 6140506), (142, 6054020), (166, 5178740), (280, 3070253), (284, 3027010), (332, 2589370), (355, 2421608), (415, 2071496), (497, 1729720), (521, 1650040), (568, 1513505), (581, 1479640), (664, 1294685), (710, 1210804), (830, 1035748), (994, 864860), (1042, 825020), (1162, 739820), (1420, 605402), (1660, 517874), (1988, 432430), (2084, 412510), (2324, 369910), (2485, 345944), (2605, 330008), (2840, 302701), (2905, 295928), (3320, 258937), (3647, 235720), (3976, 216215), (4168, 206255), (4648, 184955), (4970, 172972), (5210, 165004), (5810, 147964), (5893, 145880), (7294, 117860), (9940, 86486), (10420, 82502), (11620, 73982), (11786, 72940), (14588, 58930), (18235, 47144), (19880, 43243), (20840, 41251), (23240, 36991), (23572, 36470), (29176, 29465)]