90210428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1279}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 197836800

約数和(自身を除く): 107626372

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 229, 308, 458, 916, 1279, 1603, 2519, 2558, 3206, 5038, 5116, 6412, 8953, 10076, 14069, 17633, 17906, 28138, 35266, 35812, 56276, 70532, 98483, 196966, 292891, 393932, 585782, 1171564, 2050237, 3221801, 4100474, 6443602, 8200948, 12887204, 22552607, 45105214, 90210428]

約数ペア:

[(1, 90210428), (2, 45105214), (4, 22552607), (7, 12887204), (11, 8200948), (14, 6443602), (22, 4100474), (28, 3221801), (44, 2050237), (77, 1171564), (154, 585782), (229, 393932), (308, 292891), (458, 196966), (916, 98483), (1279, 70532), (1603, 56276), (2519, 35812), (2558, 35266), (3206, 28138), (5038, 17906), (5116, 17633), (6412, 14069), (8953, 10076)]