316840020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{754381}}^1$

素因数の和:754400

約数の個数: 48

約数和(自身を含む): 1013889408

約数和(自身を除く): 697049388

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, 754381, 1508762, 2263143, 3017524, 3771905, 4526286, 5280667, 7543810, 9052572, 10561334, 11315715, 15087620, 15842001, 21122668, 22631430, 26403335, 31684002, 45262860, 52806670, 63368004, 79210005, 105613340, 158420010, 316840020]

約数ペア:

[(1, 316840020), (2, 158420010), (3, 105613340), (4, 79210005), (5, 63368004), (6, 52806670), (7, 45262860), (10, 31684002), (12, 26403335), (14, 22631430), (15, 21122668), (20, 15842001), (21, 15087620), (28, 11315715), (30, 10561334), (35, 9052572), (42, 7543810), (60, 5280667), (70, 4526286), (84, 3771905), (105, 3017524), (140, 2263143), (210, 1508762), (420, 754381)]