11213740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 24494400

約数和(自身を除く): 13280660

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 149, 212, 265, 284, 298, 355, 530, 596, 710, 745, 1060, 1420, 1490, 2980, 3763, 7526, 7897, 10579, 15052, 15794, 18815, 21158, 31588, 37630, 39485, 42316, 52895, 75260, 78970, 105790, 157940, 211580, 560687, 1121374, 2242748, 2803435, 5606870, 11213740]

約数ペア:

[(1, 11213740), (2, 5606870), (4, 2803435), (5, 2242748), (10, 1121374), (20, 560687), (53, 211580), (71, 157940), (106, 105790), (142, 78970), (149, 75260), (212, 52895), (265, 42316), (284, 39485), (298, 37630), (355, 31588), (530, 21158), (596, 18815), (710, 15794), (745, 15052), (1060, 10579), (1420, 7897), (1490, 7526), (2980, 3763)]