138959795860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{937777}}^1$

素因数の和:938056

約数の個数: 48

約数和(自身を含む): 302489671680

約数和(自身を除く): 163529875820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 478, 620, 956, 1195, 2390, 4780, 7409, 14818, 29636, 37045, 74090, 148180, 937777, 1875554, 3751108, 4688885, 9377770, 18755540, 29071087, 58142174, 116284348, 145355435, 224128703, 290710870, 448257406, 581421740, 896514812, 1120643515, 2241287030, 4482574060, 6947989793, 13895979586, 27791959172, 34739948965, 69479897930, 138959795860]

約数ペア:

[(1, 138959795860), (2, 69479897930), (4, 34739948965), (5, 27791959172), (10, 13895979586), (20, 6947989793), (31, 4482574060), (62, 2241287030), (124, 1120643515), (155, 896514812), (239, 581421740), (310, 448257406), (478, 290710870), (620, 224128703), (956, 145355435), (1195, 116284348), (2390, 58142174), (4780, 29071087), (7409, 18755540), (14818, 9377770), (29636, 4688885), (37045, 3751108), (74090, 1875554), (148180, 937777)]