123670690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 263450880

約数和(自身を除く): 139780190

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 197, 286, 394, 439, 715, 878, 985, 1430, 1970, 2167, 2195, 2561, 4334, 4390, 4829, 5122, 5707, 9658, 10835, 11414, 12805, 21670, 24145, 25610, 28171, 28535, 48290, 56342, 57070, 62777, 86483, 125554, 140855, 172966, 281710, 313885, 432415, 627770, 864830, 951313, 1124279, 1902626, 2248558, 4756565, 5621395, 9513130, 11242790, 12367069, 24734138, 61835345, 123670690]

約数ペア:

[(1, 123670690), (2, 61835345), (5, 24734138), (10, 12367069), (11, 11242790), (13, 9513130), (22, 5621395), (26, 4756565), (55, 2248558), (65, 1902626), (110, 1124279), (130, 951313), (143, 864830), (197, 627770), (286, 432415), (394, 313885), (439, 281710), (715, 172966), (878, 140855), (985, 125554), (1430, 86483), (1970, 62777), (2167, 57070), (2195, 56342), (2561, 48290), (4334, 28535), (4390, 28171), (4829, 25610), (5122, 24145), (5707, 21670), (9658, 12805), (10835, 11414)]