402777980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{3347}}^1$

素因数の和:3914

約数の個数: 48

約数和(自身を含む): 924690816

約数和(自身を除く): 521912836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 547, 1094, 2188, 2735, 3347, 5470, 6017, 6694, 10940, 12034, 13388, 16735, 24068, 30085, 33470, 36817, 60170, 66940, 73634, 120340, 147268, 184085, 368170, 736340, 1830809, 3661618, 7323236, 9154045, 18308090, 20138899, 36616180, 40277798, 80555596, 100694495, 201388990, 402777980]

約数ペア:

[(1, 402777980), (2, 201388990), (4, 100694495), (5, 80555596), (10, 40277798), (11, 36616180), (20, 20138899), (22, 18308090), (44, 9154045), (55, 7323236), (110, 3661618), (220, 1830809), (547, 736340), (1094, 368170), (2188, 184085), (2735, 147268), (3347, 120340), (5470, 73634), (6017, 66940), (6694, 60170), (10940, 36817), (12034, 33470), (13388, 30085), (16735, 24068)]