412869140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2969}}^1$

素因数の和:3404

約数の個数: 48

約数和(自身を含む): 920581200

約数和(自身を除く): 507712060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409, 818, 1636, 2045, 2969, 4090, 5938, 6953, 8180, 11876, 13906, 14845, 27812, 29690, 34765, 50473, 59380, 69530, 100946, 139060, 201892, 252365, 504730, 1009460, 1214321, 2428642, 4857284, 6071605, 12143210, 20643457, 24286420, 41286914, 82573828, 103217285, 206434570, 412869140]

約数ペア:

[(1, 412869140), (2, 206434570), (4, 103217285), (5, 82573828), (10, 41286914), (17, 24286420), (20, 20643457), (34, 12143210), (68, 6071605), (85, 4857284), (170, 2428642), (340, 1214321), (409, 1009460), (818, 504730), (1636, 252365), (2045, 201892), (2969, 139060), (4090, 100946), (5938, 69530), (6953, 59380), (8180, 50473), (11876, 34765), (13906, 29690), (14845, 27812)]