149898890

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 273297024

約数和(自身を除く): 123398134

約数列:

[1, 2, 5, 10, 157, 307, 311, 314, 614, 622, 785, 1535, 1555, 1570, 3070, 3110, 48199, 48827, 95477, 96398, 97654, 190954, 240995, 244135, 477385, 481990, 488270, 954770, 14989889, 29979778, 74949445, 149898890]

約数ペア:

[(1, 149898890), (2, 74949445), (5, 29979778), (10, 14989889), (157, 954770), (307, 488270), (311, 481990), (314, 477385), (614, 244135), (622, 240995), (785, 190954), (1535, 97654), (1555, 96398), (1570, 95477), (3070, 48827), (3110, 48199)]