402076490

素因数分解:

$2^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{40903}}^1$

素因数の和:41893

約数の個数: 16

約数和(自身を含む): 724491648

約数和(自身を除く): 322415158

約数列:

[1, 2, 5, 10, 983, 1966, 4915, 9830, 40903, 81806, 204515, 409030, 40207649, 80415298, 201038245, 402076490]

約数ペア:

[(1, 402076490), (2, 201038245), (5, 80415298), (10, 40207649), (983, 409030), (1966, 204515), (4915, 81806), (9830, 40903)]