202800920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4861}}^1$

素因数の和:5028

約数の個数: 64

約数和(自身を含む): 525096000

約数和(自身を除く): 322295080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 4861, 5215, 5960, 8344, 9722, 10430, 19444, 20860, 24305, 34027, 38888, 41720, 48610, 68054, 97220, 136108, 170135, 194440, 272216, 340270, 680540, 724289, 1361080, 1448578, 2897156, 3621445, 5070023, 5794312, 7242890, 10140046, 14485780, 20280092, 25350115, 28971560, 40560184, 50700230, 101400460, 202800920]

約数ペア:

[(1, 202800920), (2, 101400460), (4, 50700230), (5, 40560184), (7, 28971560), (8, 25350115), (10, 20280092), (14, 14485780), (20, 10140046), (28, 7242890), (35, 5794312), (40, 5070023), (56, 3621445), (70, 2897156), (140, 1448578), (149, 1361080), (280, 724289), (298, 680540), (596, 340270), (745, 272216), (1043, 194440), (1192, 170135), (1490, 136108), (2086, 97220), (2980, 68054), (4172, 48610), (4861, 41720), (5215, 38888), (5960, 34027), (8344, 24305), (9722, 20860), (10430, 19444)]