201788580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480449}}^1$

素因数の和:480468

約数の個数: 48

約数和(自身を含む): 645724800

約数和(自身を除く): 443936220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 480449, 960898, 1441347, 1921796, 2402245, 2882694, 3363143, 4804490, 5765388, 6726286, 7206735, 9608980, 10089429, 13452572, 14413470, 16815715, 20178858, 28826940, 33631430, 40357716, 50447145, 67262860, 100894290, 201788580]

約数ペア:

[(1, 201788580), (2, 100894290), (3, 67262860), (4, 50447145), (5, 40357716), (6, 33631430), (7, 28826940), (10, 20178858), (12, 16815715), (14, 14413470), (15, 13452572), (20, 10089429), (21, 9608980), (28, 7206735), (30, 6726286), (35, 5765388), (42, 4804490), (60, 3363143), (70, 2882694), (84, 2402245), (105, 1921796), (140, 1441347), (210, 960898), (420, 480449)]