405655180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{12653}}^1$

素因数の和:12898

約数の個数: 48

約数和(自身を含む): 977901120

約数和(自身を除く): 572245940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4580, 6412, 8015, 12653, 16030, 25306, 32060, 50612, 63265, 88571, 126530, 177142, 253060, 354284, 442855, 885710, 1771420, 2897537, 5795074, 11590148, 14487685, 20282759, 28975370, 40565518, 57950740, 81131036, 101413795, 202827590, 405655180]

約数ペア:

[(1, 405655180), (2, 202827590), (4, 101413795), (5, 81131036), (7, 57950740), (10, 40565518), (14, 28975370), (20, 20282759), (28, 14487685), (35, 11590148), (70, 5795074), (140, 2897537), (229, 1771420), (458, 885710), (916, 442855), (1145, 354284), (1603, 253060), (2290, 177142), (3206, 126530), (4580, 88571), (6412, 63265), (8015, 50612), (12653, 32060), (16030, 25306)]