86688440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7499}}^1$

素因数の和:7544

約数の個数: 48

約数和(自身を含む): 207225000

約数和(自身を除く): 120536560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 7499, 11560, 14998, 29996, 37495, 59992, 74990, 127483, 149980, 254966, 299960, 509932, 637415, 1019864, 1274830, 2167211, 2549660, 4334422, 5099320, 8668844, 10836055, 17337688, 21672110, 43344220, 86688440]

約数ペア:

[(1, 86688440), (2, 43344220), (4, 21672110), (5, 17337688), (8, 10836055), (10, 8668844), (17, 5099320), (20, 4334422), (34, 2549660), (40, 2167211), (68, 1274830), (85, 1019864), (136, 637415), (170, 509932), (289, 299960), (340, 254966), (578, 149980), (680, 127483), (1156, 74990), (1445, 59992), (2312, 37495), (2890, 29996), (5780, 14998), (7499, 11560)]