138397740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{177433}}^1$

素因数の和:177458

約数の個数: 48

約数和(自身を含む): 417324768

約数和(自身を除く): 278927028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 177433, 354866, 532299, 709732, 887165, 1064598, 1774330, 2129196, 2306629, 2661495, 3548660, 4613258, 5322990, 6919887, 9226516, 10645980, 11533145, 13839774, 23066290, 27679548, 34599435, 46132580, 69198870, 138397740]

約数ペア:

[(1, 138397740), (2, 69198870), (3, 46132580), (4, 34599435), (5, 27679548), (6, 23066290), (10, 13839774), (12, 11533145), (13, 10645980), (15, 9226516), (20, 6919887), (26, 5322990), (30, 4613258), (39, 3548660), (52, 2661495), (60, 2306629), (65, 2129196), (78, 1774330), (130, 1064598), (156, 887165), (195, 709732), (260, 532299), (390, 354866), (780, 177433)]