178027460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1117}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 403633776

約数和(自身を除く): 225606316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 613, 1117, 1226, 2234, 2452, 3065, 4468, 5585, 6130, 7969, 11170, 12260, 14521, 15938, 22340, 29042, 31876, 39845, 58084, 72605, 79690, 145210, 159380, 290420, 684721, 1369442, 2738884, 3423605, 6847210, 8901373, 13694420, 17802746, 35605492, 44506865, 89013730, 178027460]

約数ペア:

[(1, 178027460), (2, 89013730), (4, 44506865), (5, 35605492), (10, 17802746), (13, 13694420), (20, 8901373), (26, 6847210), (52, 3423605), (65, 2738884), (130, 1369442), (260, 684721), (613, 290420), (1117, 159380), (1226, 145210), (2234, 79690), (2452, 72605), (3065, 58084), (4468, 39845), (5585, 31876), (6130, 29042), (7969, 22340), (11170, 15938), (12260, 14521)]