817961060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{8839}}^1$

素因数の和:9516

約数の個数: 48

約数和(自身を含む): 1966298880

約数和(自身を除く): 1148337820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 2644, 3305, 4627, 6610, 8839, 9254, 13220, 17678, 18508, 23135, 35356, 44195, 46270, 61873, 88390, 92540, 123746, 176780, 247492, 309365, 618730, 1237460, 5842579, 11685158, 23370316, 29212895, 40898053, 58425790, 81796106, 116851580, 163592212, 204490265, 408980530, 817961060]

約数ペア:

[(1, 817961060), (2, 408980530), (4, 204490265), (5, 163592212), (7, 116851580), (10, 81796106), (14, 58425790), (20, 40898053), (28, 29212895), (35, 23370316), (70, 11685158), (140, 5842579), (661, 1237460), (1322, 618730), (2644, 309365), (3305, 247492), (4627, 176780), (6610, 123746), (8839, 92540), (9254, 88390), (13220, 61873), (17678, 46270), (18508, 44195), (23135, 35356)]