68690570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1699}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 133660800

約数和(自身を除く): 64970230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 1699, 3110, 3398, 4043, 8086, 8495, 16990, 20215, 22087, 40430, 44174, 110435, 220870, 528389, 1056778, 2641945, 5283890, 6869057, 13738114, 34345285, 68690570]

約数ペア:

[(1, 68690570), (2, 34345285), (5, 13738114), (10, 6869057), (13, 5283890), (26, 2641945), (65, 1056778), (130, 528389), (311, 220870), (622, 110435), (1555, 44174), (1699, 40430), (3110, 22087), (3398, 20215), (4043, 16990), (8086, 8495)]