89988900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3797}}^1$

素因数の和:3893

約数の個数: 72

約数和(自身を含む): 263733120

約数和(自身を除く): 173744220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 948, 1185, 1580, 1975, 2370, 3797, 3950, 4740, 5925, 7594, 7900, 11391, 11850, 15188, 18985, 22782, 23700, 37970, 45564, 56955, 75940, 94925, 113910, 189850, 227820, 284775, 299963, 379700, 569550, 599926, 899889, 1139100, 1199852, 1499815, 1799778, 2999630, 3599556, 4499445, 5999260, 7499075, 8998890, 14998150, 17997780, 22497225, 29996300, 44994450, 89988900]

約数ペア:

[(1, 89988900), (2, 44994450), (3, 29996300), (4, 22497225), (5, 17997780), (6, 14998150), (10, 8998890), (12, 7499075), (15, 5999260), (20, 4499445), (25, 3599556), (30, 2999630), (50, 1799778), (60, 1499815), (75, 1199852), (79, 1139100), (100, 899889), (150, 599926), (158, 569550), (237, 379700), (300, 299963), (316, 284775), (395, 227820), (474, 189850), (790, 113910), (948, 94925), (1185, 75940), (1580, 56955), (1975, 45564), (2370, 37970), (3797, 23700), (3950, 22782), (4740, 18985), (5925, 15188), (7594, 11850), (7900, 11391)]