138696180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{330229}}^1$

素因数の和:330248

約数の個数: 48

約数和(自身を含む): 443829120

約数和(自身を除く): 305132940

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, 330229, 660458, 990687, 1320916, 1651145, 1981374, 2311603, 3302290, 3962748, 4623206, 4953435, 6604580, 6934809, 9246412, 9906870, 11558015, 13869618, 19813740, 23116030, 27739236, 34674045, 46232060, 69348090, 138696180]

約数ペア:

[(1, 138696180), (2, 69348090), (3, 46232060), (4, 34674045), (5, 27739236), (6, 23116030), (7, 19813740), (10, 13869618), (12, 11558015), (14, 9906870), (15, 9246412), (20, 6934809), (21, 6604580), (28, 4953435), (30, 4623206), (35, 3962748), (42, 3302290), (60, 2311603), (70, 1981374), (84, 1651145), (105, 1320916), (140, 990687), (210, 660458), (420, 330229)]