624782020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{911}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 1340333568

約数和(自身を除く): 715551548

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 647, 911, 1060, 1294, 1822, 2588, 3235, 3644, 4555, 6470, 9110, 12940, 18220, 34291, 48283, 68582, 96566, 137164, 171455, 193132, 241415, 342910, 482830, 589417, 685820, 965660, 1178834, 2357668, 2947085, 5894170, 11788340, 31239101, 62478202, 124956404, 156195505, 312391010, 624782020]

約数ペア:

[(1, 624782020), (2, 312391010), (4, 156195505), (5, 124956404), (10, 62478202), (20, 31239101), (53, 11788340), (106, 5894170), (212, 2947085), (265, 2357668), (530, 1178834), (647, 965660), (911, 685820), (1060, 589417), (1294, 482830), (1822, 342910), (2588, 241415), (3235, 193132), (3644, 171455), (4555, 137164), (6470, 96566), (9110, 68582), (12940, 48283), (18220, 34291)]