89861860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 210748608

約数和(自身を除く): 120886748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 484, 523, 605, 710, 781, 1046, 1210, 1420, 1562, 2092, 2420, 2615, 3124, 3905, 5230, 5753, 7810, 8591, 10460, 11506, 15620, 17182, 23012, 28765, 34364, 37133, 42955, 57530, 63283, 74266, 85910, 115060, 126566, 148532, 171820, 185665, 253132, 316415, 371330, 408463, 632830, 742660, 816926, 1265660, 1633852, 2042315, 4084630, 4493093, 8169260, 8986186, 17972372, 22465465, 44930930, 89861860]

約数ペア:

[(1, 89861860), (2, 44930930), (4, 22465465), (5, 17972372), (10, 8986186), (11, 8169260), (20, 4493093), (22, 4084630), (44, 2042315), (55, 1633852), (71, 1265660), (110, 816926), (121, 742660), (142, 632830), (220, 408463), (242, 371330), (284, 316415), (355, 253132), (484, 185665), (523, 171820), (605, 148532), (710, 126566), (781, 115060), (1046, 85910), (1210, 74266), (1420, 63283), (1562, 57530), (2092, 42955), (2420, 37133), (2615, 34364), (3124, 28765), (3905, 23012), (5230, 17182), (5753, 15620), (7810, 11506), (8591, 10460)]