21752528380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1439}}^1\times {\mathrm{68711}}^1$

素因数の和:70170

約数の個数: 48

約数和(自身を含む): 49868421120

約数和(自身を除く): 28115892740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1439, 2878, 5756, 7195, 14390, 15829, 28780, 31658, 63316, 68711, 79145, 137422, 158290, 274844, 316580, 343555, 687110, 755821, 1374220, 1511642, 3023284, 3779105, 7558210, 15116420, 98875129, 197750258, 395500516, 494375645, 988751290, 1087626419, 1977502580, 2175252838, 4350505676, 5438132095, 10876264190, 21752528380]

約数ペア:

[(1, 21752528380), (2, 10876264190), (4, 5438132095), (5, 4350505676), (10, 2175252838), (11, 1977502580), (20, 1087626419), (22, 988751290), (44, 494375645), (55, 395500516), (110, 197750258), (220, 98875129), (1439, 15116420), (2878, 7558210), (5756, 3779105), (7195, 3023284), (14390, 1511642), (15829, 1374220), (28780, 755821), (31658, 687110), (63316, 343555), (68711, 316580), (79145, 274844), (137422, 158290)]