319944820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{42433}}^1$

素因数の和:42484

約数の個数: 48

約数和(自身を含む): 748535760

約数和(自身を除く): 428590940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 42433, 84866, 169732, 212165, 424330, 551629, 848660, 1103258, 1230557, 2206516, 2461114, 2758145, 4922228, 5516290, 6152785, 11032580, 12305570, 15997241, 24611140, 31994482, 63988964, 79986205, 159972410, 319944820]

約数ペア:

[(1, 319944820), (2, 159972410), (4, 79986205), (5, 63988964), (10, 31994482), (13, 24611140), (20, 15997241), (26, 12305570), (29, 11032580), (52, 6152785), (58, 5516290), (65, 4922228), (116, 2758145), (130, 2461114), (145, 2206516), (260, 1230557), (290, 1103258), (377, 848660), (580, 551629), (754, 424330), (1508, 212165), (1885, 169732), (3770, 84866), (7540, 42433)]