138470540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1609}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 314297760

約数和(自身を除く): 175827220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1609, 1655, 3218, 3310, 4303, 6436, 6620, 8045, 8606, 16090, 17212, 20917, 21515, 32180, 41834, 43030, 83668, 86060, 104585, 209170, 418340, 532579, 1065158, 2130316, 2662895, 5325790, 6923527, 10651580, 13847054, 27694108, 34617635, 69235270, 138470540]

約数ペア:

[(1, 138470540), (2, 69235270), (4, 34617635), (5, 27694108), (10, 13847054), (13, 10651580), (20, 6923527), (26, 5325790), (52, 2662895), (65, 2130316), (130, 1065158), (260, 532579), (331, 418340), (662, 209170), (1324, 104585), (1609, 86060), (1655, 83668), (3218, 43030), (3310, 41834), (4303, 32180), (6436, 21515), (6620, 20917), (8045, 17212), (8606, 16090)]