74572420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3929}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 171002160

約数和(自身を除く): 96429740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 3929, 4745, 7858, 9490, 15716, 18980, 19645, 39290, 51077, 78580, 102154, 204308, 255385, 286817, 510770, 573634, 1021540, 1147268, 1434085, 2868170, 3728621, 5736340, 7457242, 14914484, 18643105, 37286210, 74572420]

約数ペア:

[(1, 74572420), (2, 37286210), (4, 18643105), (5, 14914484), (10, 7457242), (13, 5736340), (20, 3728621), (26, 2868170), (52, 1434085), (65, 1147268), (73, 1021540), (130, 573634), (146, 510770), (260, 286817), (292, 255385), (365, 204308), (730, 102154), (949, 78580), (1460, 51077), (1898, 39290), (3796, 19645), (3929, 18980), (4745, 15716), (7858, 9490)]