128984570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{90199}}^1$

素因数の和:90230

約数の個数: 32

約数和(自身を含む): 272764800

約数和(自身を除く): 143780230

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 90199, 180398, 450995, 901990, 992189, 1172587, 1984378, 2345174, 4960945, 5862935, 9921890, 11725870, 12898457, 25796914, 64492285, 128984570]

約数ペア:

[(1, 128984570), (2, 64492285), (5, 25796914), (10, 12898457), (11, 11725870), (13, 9921890), (22, 5862935), (26, 4960945), (55, 2345174), (65, 1984378), (110, 1172587), (130, 992189), (143, 901990), (286, 450995), (715, 180398), (1430, 90199)]