157401725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 229985280

約数和(自身を除く): 72583555

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 155, 221, 325, 403, 425, 527, 775, 919, 1105, 2015, 2635, 4595, 5525, 6851, 10075, 11947, 13175, 15623, 22975, 28489, 34255, 59735, 78115, 142445, 171275, 203099, 298675, 370357, 390575, 484313, 712225, 1015495, 1851785, 2421565, 5077475, 6296069, 9258925, 12107825, 31480345, 157401725]

約数ペア:

[(1, 157401725), (5, 31480345), (13, 12107825), (17, 9258925), (25, 6296069), (31, 5077475), (65, 2421565), (85, 1851785), (155, 1015495), (221, 712225), (325, 484313), (403, 390575), (425, 370357), (527, 298675), (775, 203099), (919, 171275), (1105, 142445), (2015, 78115), (2635, 59735), (4595, 34255), (5525, 28489), (6851, 22975), (10075, 15623), (11947, 13175)]