251738140

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{83357}}^1$

素因数の和:83517

約数の個数: 24

約数和(自身を含む): 532157472

約数和(自身を除く): 280419332

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 83357, 166714, 333428, 416785, 833570, 1667140, 12586907, 25173814, 50347628, 62934535, 125869070, 251738140]

約数ペア:

[(1, 251738140), (2, 125869070), (4, 62934535), (5, 50347628), (10, 25173814), (20, 12586907), (151, 1667140), (302, 833570), (604, 416785), (755, 333428), (1510, 166714), (3020, 83357)]