39178540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 87847200

約数和(自身を除く): 48668660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 829, 1390, 1658, 2363, 2780, 3316, 4145, 4726, 8290, 9452, 11815, 14093, 16580, 23630, 28186, 47260, 56372, 70465, 115231, 140930, 230462, 281860, 460924, 576155, 1152310, 1958927, 2304620, 3917854, 7835708, 9794635, 19589270, 39178540]

約数ペア:

[(1, 39178540), (2, 19589270), (4, 9794635), (5, 7835708), (10, 3917854), (17, 2304620), (20, 1958927), (34, 1152310), (68, 576155), (85, 460924), (139, 281860), (170, 230462), (278, 140930), (340, 115231), (556, 70465), (695, 56372), (829, 47260), (1390, 28186), (1658, 23630), (2363, 16580), (2780, 14093), (3316, 11815), (4145, 9452), (4726, 8290)]