38820460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1861}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 93844800

約数和(自身を除く): 55024340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 1861, 2086, 2980, 3722, 4172, 5215, 7444, 9305, 10430, 13027, 18610, 20860, 26054, 37220, 52108, 65135, 130270, 260540, 277289, 554578, 1109156, 1386445, 1941023, 2772890, 3882046, 5545780, 7764092, 9705115, 19410230, 38820460]

約数ペア:

[(1, 38820460), (2, 19410230), (4, 9705115), (5, 7764092), (7, 5545780), (10, 3882046), (14, 2772890), (20, 1941023), (28, 1386445), (35, 1109156), (70, 554578), (140, 277289), (149, 260540), (298, 130270), (596, 65135), (745, 52108), (1043, 37220), (1490, 26054), (1861, 20860), (2086, 18610), (2980, 13027), (3722, 10430), (4172, 9305), (5215, 7444)]