142794680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16451}}^1$

素因数の和:16500

約数の個数: 64

約数和(自身を含む): 379054080

約数和(自身を除く): 236259400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 16451, 32902, 65804, 82255, 115157, 131608, 164510, 230314, 329020, 460628, 509981, 575785, 658040, 921256, 1019962, 1151570, 2039924, 2303140, 2549905, 3569867, 4079848, 4606280, 5099810, 7139734, 10199620, 14279468, 17849335, 20399240, 28558936, 35698670, 71397340, 142794680]

約数ペア:

[(1, 142794680), (2, 71397340), (4, 35698670), (5, 28558936), (7, 20399240), (8, 17849335), (10, 14279468), (14, 10199620), (20, 7139734), (28, 5099810), (31, 4606280), (35, 4079848), (40, 3569867), (56, 2549905), (62, 2303140), (70, 2039924), (124, 1151570), (140, 1019962), (155, 921256), (217, 658040), (248, 575785), (280, 509981), (310, 460628), (434, 329020), (620, 230314), (868, 164510), (1085, 131608), (1240, 115157), (1736, 82255), (2170, 65804), (4340, 32902), (8680, 16451)]