254100340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 592704000

約数和(自身を除く): 338603660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 89, 130, 139, 158, 178, 260, 278, 316, 356, 395, 445, 556, 695, 790, 890, 1027, 1157, 1390, 1580, 1780, 1807, 2054, 2314, 2780, 3614, 4108, 4628, 5135, 5785, 7031, 7228, 9035, 10270, 10981, 11570, 12371, 14062, 18070, 20540, 21962, 23140, 24742, 28124, 35155, 36140, 43924, 49484, 54905, 61855, 70310, 91403, 109810, 123710, 140620, 142753, 160823, 182806, 219620, 247420, 285506, 321646, 365612, 457015, 571012, 643292, 713765, 804115, 914030, 977309, 1427530, 1608230, 1828060, 1954618, 2855060, 3216460, 3909236, 4886545, 9773090, 12705017, 19546180, 25410034, 50820068, 63525085, 127050170, 254100340]

約数ペア:

[(1, 254100340), (2, 127050170), (4, 63525085), (5, 50820068), (10, 25410034), (13, 19546180), (20, 12705017), (26, 9773090), (52, 4886545), (65, 3909236), (79, 3216460), (89, 2855060), (130, 1954618), (139, 1828060), (158, 1608230), (178, 1427530), (260, 977309), (278, 914030), (316, 804115), (356, 713765), (395, 643292), (445, 571012), (556, 457015), (695, 365612), (790, 321646), (890, 285506), (1027, 247420), (1157, 219620), (1390, 182806), (1580, 160823), (1780, 142753), (1807, 140620), (2054, 123710), (2314, 109810), (2780, 91403), (3614, 70310), (4108, 61855), (4628, 54905), (5135, 49484), (5785, 43924), (7031, 36140), (7228, 35155), (9035, 28124), (10270, 24742), (10981, 23140), (11570, 21962), (12371, 20540), (14062, 18070)]