349366940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{7951}}^1$

素因数の和:7999

約数の個数: 48

約数和(自身を含む): 794881920

約数和(自身を除く): 445514980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 7951, 8788, 10985, 15902, 21970, 31804, 39755, 43940, 79510, 103363, 159020, 206726, 413452, 516815, 1033630, 1343719, 2067260, 2687438, 5374876, 6718595, 13437190, 17468347, 26874380, 34936694, 69873388, 87341735, 174683470, 349366940]

約数ペア:

[(1, 349366940), (2, 174683470), (4, 87341735), (5, 69873388), (10, 34936694), (13, 26874380), (20, 17468347), (26, 13437190), (52, 6718595), (65, 5374876), (130, 2687438), (169, 2067260), (260, 1343719), (338, 1033630), (676, 516815), (845, 413452), (1690, 206726), (2197, 159020), (3380, 103363), (4394, 79510), (7951, 43940), (8788, 39755), (10985, 31804), (15902, 21970)]