207910180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8179}}^1$

素因数の和:8260

約数の個数: 48

約数和(自身を含む): 461744640

約数和(自身を除く): 253834460

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 8179, 12710, 16358, 25420, 32716, 40895, 81790, 163580, 253549, 335339, 507098, 670678, 1014196, 1267745, 1341356, 1676695, 2535490, 3353390, 5070980, 6706780, 10395509, 20791018, 41582036, 51977545, 103955090, 207910180]

約数ペア:

[(1, 207910180), (2, 103955090), (4, 51977545), (5, 41582036), (10, 20791018), (20, 10395509), (31, 6706780), (41, 5070980), (62, 3353390), (82, 2535490), (124, 1676695), (155, 1341356), (164, 1267745), (205, 1014196), (310, 670678), (410, 507098), (620, 335339), (820, 253549), (1271, 163580), (2542, 81790), (5084, 40895), (6355, 32716), (8179, 25420), (12710, 16358)]