211701820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2539}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 486460800

約数和(自身を除く): 274758980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 1516, 1895, 2539, 3790, 4169, 5078, 7580, 8338, 10156, 12695, 16676, 20845, 25390, 27929, 41690, 50780, 55858, 83380, 111716, 139645, 279290, 558580, 962281, 1924562, 3849124, 4811405, 9622810, 10585091, 19245620, 21170182, 42340364, 52925455, 105850910, 211701820]

約数ペア:

[(1, 211701820), (2, 105850910), (4, 52925455), (5, 42340364), (10, 21170182), (11, 19245620), (20, 10585091), (22, 9622810), (44, 4811405), (55, 3849124), (110, 1924562), (220, 962281), (379, 558580), (758, 279290), (1516, 139645), (1895, 111716), (2539, 83380), (3790, 55858), (4169, 50780), (5078, 41690), (7580, 27929), (8338, 25390), (10156, 20845), (12695, 16676)]