211320460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17293}}^1$

素因数の和:17362

約数の個数: 48

約数和(自身を含む): 488105856

約数和(自身を除く): 276785396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 17293, 34586, 69172, 86465, 172930, 224809, 345860, 449618, 812771, 899236, 1124045, 1625542, 2248090, 3251084, 4063855, 4496180, 8127710, 10566023, 16255420, 21132046, 42264092, 52830115, 105660230, 211320460]

約数ペア:

[(1, 211320460), (2, 105660230), (4, 52830115), (5, 42264092), (10, 21132046), (13, 16255420), (20, 10566023), (26, 8127710), (47, 4496180), (52, 4063855), (65, 3251084), (94, 2248090), (130, 1625542), (188, 1124045), (235, 899236), (260, 812771), (470, 449618), (611, 345860), (940, 224809), (1222, 172930), (2444, 86465), (3055, 69172), (6110, 34586), (12220, 17293)]