478967450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{6521}}^1$

素因数の和:6659

約数の個数: 48

約数和(自身を含む): 968047416

約数和(自身を除く): 489079966

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 565, 650, 1130, 1469, 2825, 2938, 5650, 6521, 7345, 13042, 14690, 32605, 36725, 65210, 73450, 84773, 163025, 169546, 326050, 423865, 736873, 847730, 1473746, 2119325, 3684365, 4238650, 7368730, 9579349, 18421825, 19158698, 36843650, 47896745, 95793490, 239483725, 478967450]

約数ペア:

[(1, 478967450), (2, 239483725), (5, 95793490), (10, 47896745), (13, 36843650), (25, 19158698), (26, 18421825), (50, 9579349), (65, 7368730), (113, 4238650), (130, 3684365), (226, 2119325), (325, 1473746), (565, 847730), (650, 736873), (1130, 423865), (1469, 326050), (2825, 169546), (2938, 163025), (5650, 84773), (6521, 73450), (7345, 65210), (13042, 36725), (14690, 32605)]