209970530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 473091840

約数和(自身を除く): 263121310

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 389, 701, 770, 778, 1402, 1945, 2723, 3505, 3890, 4279, 4907, 5446, 7010, 7711, 8558, 9814, 13615, 15422, 21395, 24535, 27230, 29953, 38555, 42790, 49070, 53977, 59906, 77110, 107954, 149765, 269885, 272689, 299530, 539770, 545378, 1363445, 1908823, 2726890, 2999579, 3817646, 5999158, 9544115, 14997895, 19088230, 20997053, 29995790, 41994106, 104985265, 209970530]

約数ペア:

[(1, 209970530), (2, 104985265), (5, 41994106), (7, 29995790), (10, 20997053), (11, 19088230), (14, 14997895), (22, 9544115), (35, 5999158), (55, 3817646), (70, 2999579), (77, 2726890), (110, 1908823), (154, 1363445), (385, 545378), (389, 539770), (701, 299530), (770, 272689), (778, 269885), (1402, 149765), (1945, 107954), (2723, 77110), (3505, 59906), (3890, 53977), (4279, 49070), (4907, 42790), (5446, 38555), (7010, 29953), (7711, 27230), (8558, 24535), (9814, 21395), (13615, 15422)]