127962140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 278419680

約数和(自身を除く): 150457540

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 212, 244, 265, 305, 530, 610, 1060, 1220, 1979, 3233, 3958, 6466, 7916, 9895, 12932, 16165, 19790, 32330, 39580, 64660, 104887, 120719, 209774, 241438, 419548, 482876, 524435, 603595, 1048870, 1207190, 2097740, 2414380, 6398107, 12796214, 25592428, 31990535, 63981070, 127962140]

約数ペア:

[(1, 127962140), (2, 63981070), (4, 31990535), (5, 25592428), (10, 12796214), (20, 6398107), (53, 2414380), (61, 2097740), (106, 1207190), (122, 1048870), (212, 603595), (244, 524435), (265, 482876), (305, 419548), (530, 241438), (610, 209774), (1060, 120719), (1220, 104887), (1979, 64660), (3233, 39580), (3958, 32330), (6466, 19790), (7916, 16165), (9895, 12932)]