142919425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 215611200

約数和(自身を除く): 72691775

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 187, 209, 275, 323, 425, 475, 935, 1045, 1609, 1615, 3553, 4675, 5225, 8045, 8075, 17699, 17765, 27353, 30571, 40225, 88495, 88825, 136765, 152855, 300883, 336281, 442475, 519707, 683825, 764275, 1504415, 1681405, 2598535, 5716777, 7522075, 8407025, 12992675, 28583885, 142919425]

約数ペア:

[(1, 142919425), (5, 28583885), (11, 12992675), (17, 8407025), (19, 7522075), (25, 5716777), (55, 2598535), (85, 1681405), (95, 1504415), (187, 764275), (209, 683825), (275, 519707), (323, 442475), (425, 336281), (475, 300883), (935, 152855), (1045, 136765), (1609, 88825), (1615, 88495), (3553, 40225), (4675, 30571), (5225, 27353), (8045, 17765), (8075, 17699)]