157617790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 323896320

約数和(自身を除く): 166278530

約数列:

[1, 2, 5, 10, 11, 22, 43, 47, 55, 86, 94, 110, 215, 235, 430, 470, 473, 517, 709, 946, 1034, 1418, 2021, 2365, 2585, 3545, 4042, 4730, 5170, 7090, 7799, 10105, 15598, 20210, 22231, 30487, 33323, 38995, 44462, 60974, 66646, 77990, 111155, 152435, 166615, 222310, 304870, 333230, 335357, 366553, 670714, 733106, 1432889, 1676785, 1832765, 2865778, 3353570, 3665530, 7164445, 14328890, 15761779, 31523558, 78808895, 157617790]

約数ペア:

[(1, 157617790), (2, 78808895), (5, 31523558), (10, 15761779), (11, 14328890), (22, 7164445), (43, 3665530), (47, 3353570), (55, 2865778), (86, 1832765), (94, 1676785), (110, 1432889), (215, 733106), (235, 670714), (430, 366553), (470, 335357), (473, 333230), (517, 304870), (709, 222310), (946, 166615), (1034, 152435), (1418, 111155), (2021, 77990), (2365, 66646), (2585, 60974), (3545, 44462), (4042, 38995), (4730, 33323), (5170, 30487), (7090, 22231), (7799, 20210), (10105, 15598)]