205740556

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{739}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 421361920

約数和(自身を除く): 215621364

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 163, 244, 326, 427, 652, 739, 854, 1141, 1478, 1708, 2282, 2956, 4564, 5173, 9943, 10346, 19886, 20692, 39772, 45079, 69601, 90158, 120457, 139202, 180316, 240914, 278404, 315553, 481828, 631106, 843199, 1262212, 1686398, 3372796, 7347877, 14695754, 29391508, 51435139, 102870278, 205740556]

約数ペア:

[(1, 205740556), (2, 102870278), (4, 51435139), (7, 29391508), (14, 14695754), (28, 7347877), (61, 3372796), (122, 1686398), (163, 1262212), (244, 843199), (326, 631106), (427, 481828), (652, 315553), (739, 278404), (854, 240914), (1141, 180316), (1478, 139202), (1708, 120457), (2282, 90158), (2956, 69601), (4564, 45079), (5173, 39772), (9943, 20692), (10346, 19886)]