389621020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 877879296

約数和(自身を除く): 488258276

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 71, 106, 124, 142, 155, 167, 212, 265, 284, 310, 334, 355, 530, 620, 668, 710, 835, 1060, 1420, 1643, 1670, 2201, 3286, 3340, 3763, 4402, 5177, 6572, 7526, 8215, 8804, 8851, 10354, 11005, 11857, 15052, 16430, 17702, 18815, 20708, 22010, 23714, 25885, 32860, 35404, 37630, 44020, 44255, 47428, 51770, 59285, 75260, 88510, 103540, 116653, 118570, 177020, 233306, 237140, 274381, 367567, 466612, 548762, 583265, 628421, 735134, 1097524, 1166530, 1256842, 1371905, 1470268, 1837835, 2333060, 2513684, 2743810, 3142105, 3675670, 5487620, 6284210, 7351340, 12568420, 19481051, 38962102, 77924204, 97405255, 194810510, 389621020]

約数ペア:

[(1, 389621020), (2, 194810510), (4, 97405255), (5, 77924204), (10, 38962102), (20, 19481051), (31, 12568420), (53, 7351340), (62, 6284210), (71, 5487620), (106, 3675670), (124, 3142105), (142, 2743810), (155, 2513684), (167, 2333060), (212, 1837835), (265, 1470268), (284, 1371905), (310, 1256842), (334, 1166530), (355, 1097524), (530, 735134), (620, 628421), (668, 583265), (710, 548762), (835, 466612), (1060, 367567), (1420, 274381), (1643, 237140), (1670, 233306), (2201, 177020), (3286, 118570), (3340, 116653), (3763, 103540), (4402, 88510), (5177, 75260), (6572, 59285), (7526, 51770), (8215, 47428), (8804, 44255), (8851, 44020), (10354, 37630), (11005, 35404), (11857, 32860), (15052, 25885), (16430, 23714), (17702, 22010), (18815, 20708)]