201216860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3889}}^1$

素因数の和:4110

約数の個数: 48

約数和(自身を含む): 457464000

約数和(自身を除く): 256247140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3889, 3980, 5174, 7778, 10348, 12935, 15556, 19445, 25870, 38890, 50557, 51740, 77780, 101114, 202228, 252785, 505570, 773911, 1011140, 1547822, 3095644, 3869555, 7739110, 10060843, 15478220, 20121686, 40243372, 50304215, 100608430, 201216860]

約数ペア:

[(1, 201216860), (2, 100608430), (4, 50304215), (5, 40243372), (10, 20121686), (13, 15478220), (20, 10060843), (26, 7739110), (52, 3869555), (65, 3095644), (130, 1547822), (199, 1011140), (260, 773911), (398, 505570), (796, 252785), (995, 202228), (1990, 101114), (2587, 77780), (3889, 51740), (3980, 50557), (5174, 38890), (7778, 25870), (10348, 19445), (12935, 15556)]