129290920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26713}}^1$

素因数の和:26746

約数の個数: 48

約数和(自身を含む): 319766580

約数和(自身を除く): 190475660

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 26713, 53426, 106852, 133565, 213704, 267130, 293843, 534260, 587686, 1068520, 1175372, 1469215, 2350744, 2938430, 3232273, 5876860, 6464546, 11753720, 12929092, 16161365, 25858184, 32322730, 64645460, 129290920]

約数ペア:

[(1, 129290920), (2, 64645460), (4, 32322730), (5, 25858184), (8, 16161365), (10, 12929092), (11, 11753720), (20, 6464546), (22, 5876860), (40, 3232273), (44, 2938430), (55, 2350744), (88, 1469215), (110, 1175372), (121, 1068520), (220, 587686), (242, 534260), (440, 293843), (484, 267130), (605, 213704), (968, 133565), (1210, 106852), (2420, 53426), (4840, 26713)]