88951660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 219194640

約数和(自身を除く): 130242980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 653, 695, 973, 980, 1306, 1390, 1946, 2612, 2780, 3265, 3892, 4571, 4865, 6530, 6811, 9142, 9730, 13060, 13622, 18284, 19460, 22855, 27244, 31997, 34055, 45710, 63994, 68110, 90767, 91420, 127988, 136220, 159985, 181534, 319970, 363068, 453835, 635369, 639940, 907670, 1270738, 1815340, 2541476, 3176845, 4447583, 6353690, 8895166, 12707380, 17790332, 22237915, 44475830, 88951660]

約数ペア:

[(1, 88951660), (2, 44475830), (4, 22237915), (5, 17790332), (7, 12707380), (10, 8895166), (14, 6353690), (20, 4447583), (28, 3176845), (35, 2541476), (49, 1815340), (70, 1270738), (98, 907670), (139, 639940), (140, 635369), (196, 453835), (245, 363068), (278, 319970), (490, 181534), (556, 159985), (653, 136220), (695, 127988), (973, 91420), (980, 90767), (1306, 68110), (1390, 63994), (1946, 45710), (2612, 34055), (2780, 31997), (3265, 27244), (3892, 22855), (4571, 19460), (4865, 18284), (6530, 13622), (6811, 13060), (9142, 9730)]