2812180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 4082540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 379, 530, 742, 758, 1060, 1484, 1516, 1855, 1895, 2653, 3710, 3790, 5306, 7420, 7580, 10612, 13265, 20087, 26530, 40174, 53060, 80348, 100435, 140609, 200870, 281218, 401740, 562436, 703045, 1406090, 2812180]

約数ペア:

[(1, 2812180), (2, 1406090), (4, 703045), (5, 562436), (7, 401740), (10, 281218), (14, 200870), (20, 140609), (28, 100435), (35, 80348), (53, 53060), (70, 40174), (106, 26530), (140, 20087), (212, 13265), (265, 10612), (371, 7580), (379, 7420), (530, 5306), (742, 3790), (758, 3710), (1060, 2653), (1484, 1895), (1516, 1855)]