660551450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{13921}}^1$

素因数の和:14019

約数の個数: 48

約数和(自身を含む): 1341356856

約数和(自身を除く): 680805406

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 325, 365, 650, 730, 949, 1825, 1898, 3650, 4745, 9490, 13921, 23725, 27842, 47450, 69605, 139210, 180973, 348025, 361946, 696050, 904865, 1016233, 1809730, 2032466, 4524325, 5081165, 9048650, 10162330, 13211029, 25405825, 26422058, 50811650, 66055145, 132110290, 330275725, 660551450]

約数ペア:

[(1, 660551450), (2, 330275725), (5, 132110290), (10, 66055145), (13, 50811650), (25, 26422058), (26, 25405825), (50, 13211029), (65, 10162330), (73, 9048650), (130, 5081165), (146, 4524325), (325, 2032466), (365, 1809730), (650, 1016233), (730, 904865), (949, 696050), (1825, 361946), (1898, 348025), (3650, 180973), (4745, 139210), (9490, 69605), (13921, 47450), (23725, 27842)]