91020440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{46439}}^1$

素因数の和:46464

約数の個数: 48

約数和(自身を含む): 238237200

約数和(自身を除く): 147216760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 46439, 92878, 185756, 232195, 325073, 371512, 464390, 650146, 928780, 1300292, 1625365, 1857560, 2275511, 2600584, 3250730, 4551022, 6501460, 9102044, 11377555, 13002920, 18204088, 22755110, 45510220, 91020440]

約数ペア:

[(1, 91020440), (2, 45510220), (4, 22755110), (5, 18204088), (7, 13002920), (8, 11377555), (10, 9102044), (14, 6501460), (20, 4551022), (28, 3250730), (35, 2600584), (40, 2275511), (49, 1857560), (56, 1625365), (70, 1300292), (98, 928780), (140, 650146), (196, 464390), (245, 371512), (280, 325073), (392, 232195), (490, 185756), (980, 92878), (1960, 46439)]