1308926890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 2493918720

約数和(自身を除く): 1184991830

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 151, 290, 302, 355, 421, 710, 755, 842, 1510, 2059, 2105, 4118, 4210, 4379, 8758, 10295, 10721, 12209, 20590, 21442, 21895, 24418, 29891, 43790, 53605, 59782, 61045, 63571, 107210, 122090, 127142, 149455, 298910, 310909, 317855, 621818, 635710, 866839, 1554545, 1733678, 1843559, 3109090, 3687118, 4334195, 4513541, 8668390, 9027082, 9217795, 18435590, 22567705, 45135410, 130892689, 261785378, 654463445, 1308926890]

約数ペア:

[(1, 1308926890), (2, 654463445), (5, 261785378), (10, 130892689), (29, 45135410), (58, 22567705), (71, 18435590), (142, 9217795), (145, 9027082), (151, 8668390), (290, 4513541), (302, 4334195), (355, 3687118), (421, 3109090), (710, 1843559), (755, 1733678), (842, 1554545), (1510, 866839), (2059, 635710), (2105, 621818), (4118, 317855), (4210, 310909), (4379, 298910), (8758, 149455), (10295, 127142), (10721, 122090), (12209, 107210), (20590, 63571), (21442, 61045), (21895, 59782), (24418, 53605), (29891, 43790)]