155126780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 336359520

約数和(自身を除く): 181232740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 278, 410, 556, 695, 820, 1361, 1390, 2722, 2780, 5444, 5699, 6805, 11398, 13610, 22796, 27220, 28495, 55801, 56990, 111602, 113980, 189179, 223204, 279005, 378358, 558010, 756716, 945895, 1116020, 1891790, 3783580, 7756339, 15512678, 31025356, 38781695, 77563390, 155126780]

約数ペア:

[(1, 155126780), (2, 77563390), (4, 38781695), (5, 31025356), (10, 15512678), (20, 7756339), (41, 3783580), (82, 1891790), (139, 1116020), (164, 945895), (205, 756716), (278, 558010), (410, 378358), (556, 279005), (695, 223204), (820, 189179), (1361, 113980), (1390, 111602), (2722, 56990), (2780, 55801), (5444, 28495), (5699, 27220), (6805, 22796), (11398, 13610)]