53907420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128351}}^1$

素因数の和:128370

約数の個数: 48

約数和(自身を含む): 172505088

約数和(自身を除く): 118597668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 128351, 256702, 385053, 513404, 641755, 770106, 898457, 1283510, 1540212, 1796914, 1925265, 2567020, 2695371, 3593828, 3850530, 4492285, 5390742, 7701060, 8984570, 10781484, 13476855, 17969140, 26953710, 53907420]

約数ペア:

[(1, 53907420), (2, 26953710), (3, 17969140), (4, 13476855), (5, 10781484), (6, 8984570), (7, 7701060), (10, 5390742), (12, 4492285), (14, 3850530), (15, 3593828), (20, 2695371), (21, 2567020), (28, 1925265), (30, 1796914), (35, 1540212), (42, 1283510), (60, 898457), (70, 770106), (84, 641755), (105, 513404), (140, 385053), (210, 256702), (420, 128351)]