128280670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 273217536

約数和(自身を除く): 144936866

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 71, 106, 142, 265, 355, 371, 487, 497, 530, 710, 742, 974, 994, 1855, 2435, 2485, 3409, 3710, 3763, 4870, 4970, 6818, 7526, 17045, 18815, 25811, 26341, 34090, 34577, 37630, 51622, 52682, 69154, 129055, 131705, 172885, 180677, 242039, 258110, 263410, 345770, 361354, 484078, 903385, 1210195, 1806770, 1832581, 2420390, 3665162, 9162905, 12828067, 18325810, 25656134, 64140335, 128280670]

約数ペア:

[(1, 128280670), (2, 64140335), (5, 25656134), (7, 18325810), (10, 12828067), (14, 9162905), (35, 3665162), (53, 2420390), (70, 1832581), (71, 1806770), (106, 1210195), (142, 903385), (265, 484078), (355, 361354), (371, 345770), (487, 263410), (497, 258110), (530, 242039), (710, 180677), (742, 172885), (974, 131705), (994, 129055), (1855, 69154), (2435, 52682), (2485, 51622), (3409, 37630), (3710, 34577), (3763, 34090), (4870, 26341), (4970, 25811), (6818, 18815), (7526, 17045)]