155390970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{739957}}^1$

素因数の和:739974

約数の個数: 32

約数和(自身を含む): 426215808

約数和(自身を除く): 270824838

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 739957, 1479914, 2219871, 3699785, 4439742, 5179699, 7399570, 10359398, 11099355, 15539097, 22198710, 25898495, 31078194, 51796990, 77695485, 155390970]

約数ペア:

[(1, 155390970), (2, 77695485), (3, 51796990), (5, 31078194), (6, 25898495), (7, 22198710), (10, 15539097), (14, 11099355), (15, 10359398), (21, 7399570), (30, 5179699), (35, 4439742), (42, 3699785), (70, 2219871), (105, 1479914), (210, 739957)]