138872140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33223}}^1$

素因数の和:33262

約数の個数: 48

約数和(自身を含む): 334897920

約数和(自身を除く): 196025780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 33223, 66446, 132892, 166115, 332230, 365453, 631237, 664460, 730906, 1262474, 1461812, 1827265, 2524948, 3156185, 3654530, 6312370, 6943607, 7309060, 12624740, 13887214, 27774428, 34718035, 69436070, 138872140]

約数ペア:

[(1, 138872140), (2, 69436070), (4, 34718035), (5, 27774428), (10, 13887214), (11, 12624740), (19, 7309060), (20, 6943607), (22, 6312370), (38, 3654530), (44, 3156185), (55, 2524948), (76, 1827265), (95, 1461812), (110, 1262474), (190, 730906), (209, 664460), (220, 631237), (380, 365453), (418, 332230), (836, 166115), (1045, 132892), (2090, 66446), (4180, 33223)]