290440140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{10781}}^1$

素因数の和:11242

約数の個数: 48

約数和(自身を含む): 815119200

約数和(自身を除く): 524679060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 898, 1347, 1796, 2245, 2694, 4490, 5388, 6735, 8980, 10781, 13470, 21562, 26940, 32343, 43124, 53905, 64686, 107810, 129372, 161715, 215620, 323430, 646860, 4840669, 9681338, 14522007, 19362676, 24203345, 29044014, 48406690, 58088028, 72610035, 96813380, 145220070, 290440140]

約数ペア:

[(1, 290440140), (2, 145220070), (3, 96813380), (4, 72610035), (5, 58088028), (6, 48406690), (10, 29044014), (12, 24203345), (15, 19362676), (20, 14522007), (30, 9681338), (60, 4840669), (449, 646860), (898, 323430), (1347, 215620), (1796, 161715), (2245, 129372), (2694, 107810), (4490, 64686), (5388, 53905), (6735, 43124), (8980, 32343), (10781, 26940), (13470, 21562)]