997951569100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{48991}}^1\times {\mathrm{6571}}^1$

素因数の和:55607

約数の個数: 72

約数和(自身を含む): 2235797344256

約数和(自身を除く): 1237845775156

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6571, 13142, 26284, 32855, 48991, 65710, 97982, 131420, 164275, 195964, 203701, 244955, 328550, 407402, 489910, 657100, 814804, 979820, 1018505, 1224775, 1518721, 2037010, 2449550, 3037442, 4074020, 4899100, 5092525, 6074884, 7593605, 10185050, 15187210, 20370100, 30374420, 37968025, 75936050, 151872100, 321919861, 643839722, 1287679444, 1609599305, 3219198610, 6438397220, 8047996525, 9979515691, 16095993050, 19959031382, 32191986100, 39918062764, 49897578455, 99795156910, 199590313820, 249487892275, 498975784550, 997951569100]

約数ペア:

[(1, 997951569100), (2, 498975784550), (4, 249487892275), (5, 199590313820), (10, 99795156910), (20, 49897578455), (25, 39918062764), (31, 32191986100), (50, 19959031382), (62, 16095993050), (100, 9979515691), (124, 8047996525), (155, 6438397220), (310, 3219198610), (620, 1609599305), (775, 1287679444), (1550, 643839722), (3100, 321919861), (6571, 151872100), (13142, 75936050), (26284, 37968025), (32855, 30374420), (48991, 20370100), (65710, 15187210), (97982, 10185050), (131420, 7593605), (164275, 6074884), (195964, 5092525), (203701, 4899100), (244955, 4074020), (328550, 3037442), (407402, 2449550), (489910, 2037010), (657100, 1518721), (814804, 1224775), (979820, 1018505)]