140299480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{66179}}^1$

素因数の和:66243

約数の個数: 32

約数和(自身を含む): 321634800

約数和(自身を除く): 181335320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 66179, 132358, 264716, 330895, 529432, 661790, 1323580, 2647160, 3507487, 7014974, 14029948, 17537435, 28059896, 35074870, 70149740, 140299480]

約数ペア:

[(1, 140299480), (2, 70149740), (4, 35074870), (5, 28059896), (8, 17537435), (10, 14029948), (20, 7014974), (40, 3507487), (53, 2647160), (106, 1323580), (212, 661790), (265, 529432), (424, 330895), (530, 264716), (1060, 132358), (2120, 66179)]