1220331125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 1733501952

約数和(自身を除く): 513170827

約数列:

[1, 5, 13, 23, 25, 65, 103, 115, 125, 299, 317, 325, 515, 575, 1339, 1495, 1585, 1625, 2369, 2575, 2875, 4121, 6695, 7291, 7475, 7925, 11845, 12875, 20605, 30797, 32651, 33475, 36455, 37375, 39625, 59225, 94783, 103025, 153985, 163255, 167375, 182275, 296125, 424463, 473915, 515125, 750973, 769925, 816275, 911375, 2122315, 2369575, 3754865, 3849625, 4081375, 9762649, 10611575, 11847875, 18774325, 48813245, 53057875, 93871625, 244066225, 1220331125]

約数ペア:

[(1, 1220331125), (5, 244066225), (13, 93871625), (23, 53057875), (25, 48813245), (65, 18774325), (103, 11847875), (115, 10611575), (125, 9762649), (299, 4081375), (317, 3849625), (325, 3754865), (515, 2369575), (575, 2122315), (1339, 911375), (1495, 816275), (1585, 769925), (1625, 750973), (2369, 515125), (2575, 473915), (2875, 424463), (4121, 296125), (6695, 182275), (7291, 167375), (7475, 163255), (7925, 153985), (11845, 103025), (12875, 94783), (20605, 59225), (30797, 39625), (32651, 37375), (33475, 36455)]