253124180

素因数分解:

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

素因数の和:317

約数の個数: 72

約数和(自身を含む): 559704600

約数和(自身を除く): 306580420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 149, 202, 290, 298, 404, 505, 580, 596, 745, 841, 1010, 1490, 1682, 2020, 2929, 2980, 3364, 4205, 4321, 5858, 8410, 8642, 11716, 14645, 15049, 16820, 17284, 21605, 29290, 30098, 43210, 58580, 60196, 75245, 84941, 86420, 125309, 150490, 169882, 250618, 300980, 339764, 424705, 436421, 501236, 626545, 849410, 872842, 1253090, 1698820, 1745684, 2182105, 2506180, 4364210, 8728420, 12656209, 25312418, 50624836, 63281045, 126562090, 253124180]

約数ペア:

[(1, 253124180), (2, 126562090), (4, 63281045), (5, 50624836), (10, 25312418), (20, 12656209), (29, 8728420), (58, 4364210), (101, 2506180), (116, 2182105), (145, 1745684), (149, 1698820), (202, 1253090), (290, 872842), (298, 849410), (404, 626545), (505, 501236), (580, 436421), (596, 424705), (745, 339764), (841, 300980), (1010, 250618), (1490, 169882), (1682, 150490), (2020, 125309), (2929, 86420), (2980, 84941), (3364, 75245), (4205, 60196), (4321, 58580), (5858, 43210), (8410, 30098), (8642, 29290), (11716, 21605), (14645, 17284), (15049, 16820)]