61628980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{440207}}^1$

素因数の和:440223

約数の個数: 24

約数和(自身を含む): 147909888

約数和(自身を除く): 86280908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 440207, 880414, 1760828, 2201035, 3081449, 4402070, 6162898, 8804140, 12325796, 15407245, 30814490, 61628980]

約数ペア:

[(1, 61628980), (2, 30814490), (4, 15407245), (5, 12325796), (7, 8804140), (10, 6162898), (14, 4402070), (20, 3081449), (28, 2201035), (35, 1760828), (70, 880414), (140, 440207)]