17456840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 41310000

約数和(自身を除く): 23853160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 116, 145, 149, 202, 232, 290, 298, 404, 505, 580, 596, 745, 808, 1010, 1160, 1192, 1490, 2020, 2929, 2980, 4040, 4321, 5858, 5960, 8642, 11716, 14645, 15049, 17284, 21605, 23432, 29290, 30098, 34568, 43210, 58580, 60196, 75245, 86420, 117160, 120392, 150490, 172840, 300980, 436421, 601960, 872842, 1745684, 2182105, 3491368, 4364210, 8728420, 17456840]

約数ペア:

[(1, 17456840), (2, 8728420), (4, 4364210), (5, 3491368), (8, 2182105), (10, 1745684), (20, 872842), (29, 601960), (40, 436421), (58, 300980), (101, 172840), (116, 150490), (145, 120392), (149, 117160), (202, 86420), (232, 75245), (290, 60196), (298, 58580), (404, 43210), (505, 34568), (580, 30098), (596, 29290), (745, 23432), (808, 21605), (1010, 17284), (1160, 15049), (1192, 14645), (1490, 11716), (2020, 8642), (2929, 5960), (2980, 5858), (4040, 4321)]