38380020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{91381}}^1$

素因数の和:91400

約数の個数: 48

約数和(自身を含む): 122817408

約数和(自身を除く): 84437388

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, 91381, 182762, 274143, 365524, 456905, 548286, 639667, 913810, 1096572, 1279334, 1370715, 1827620, 1919001, 2558668, 2741430, 3198335, 3838002, 5482860, 6396670, 7676004, 9595005, 12793340, 19190010, 38380020]

約数ペア:

[(1, 38380020), (2, 19190010), (3, 12793340), (4, 9595005), (5, 7676004), (6, 6396670), (7, 5482860), (10, 3838002), (12, 3198335), (14, 2741430), (15, 2558668), (20, 1919001), (21, 1827620), (28, 1370715), (30, 1279334), (35, 1096572), (42, 913810), (60, 639667), (70, 548286), (84, 456905), (105, 365524), (140, 274143), (210, 182762), (420, 91381)]