258124240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{563}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 657118656

約数和(自身を除く): 398994416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 521, 563, 880, 1042, 1126, 2084, 2252, 2605, 2815, 4168, 4504, 5210, 5630, 5731, 6193, 8336, 9008, 10420, 11260, 11462, 12386, 20840, 22520, 22924, 24772, 28655, 30965, 41680, 45040, 45848, 49544, 57310, 61930, 91696, 99088, 114620, 123860, 229240, 247720, 293323, 458480, 495440, 586646, 1173292, 1466615, 2346584, 2933230, 3226553, 4693168, 5866460, 6453106, 11732920, 12906212, 16132765, 23465840, 25812424, 32265530, 51624848, 64531060, 129062120, 258124240]

約数ペア:

[(1, 258124240), (2, 129062120), (4, 64531060), (5, 51624848), (8, 32265530), (10, 25812424), (11, 23465840), (16, 16132765), (20, 12906212), (22, 11732920), (40, 6453106), (44, 5866460), (55, 4693168), (80, 3226553), (88, 2933230), (110, 2346584), (176, 1466615), (220, 1173292), (440, 586646), (521, 495440), (563, 458480), (880, 293323), (1042, 247720), (1126, 229240), (2084, 123860), (2252, 114620), (2605, 99088), (2815, 91696), (4168, 61930), (4504, 57310), (5210, 49544), (5630, 45848), (5731, 45040), (6193, 41680), (8336, 30965), (9008, 28655), (10420, 24772), (11260, 22924), (11462, 22520), (12386, 20840)]