81770300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43037}}^1$

素因数の和:43070

約数の個数: 36

約数和(自身を含む): 186784920

約数和(自身を除く): 105014620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 43037, 86074, 172148, 215185, 430370, 817703, 860740, 1075925, 1635406, 2151850, 3270812, 4088515, 4303700, 8177030, 16354060, 20442575, 40885150, 81770300]

約数ペア:

[(1, 81770300), (2, 40885150), (4, 20442575), (5, 16354060), (10, 8177030), (19, 4303700), (20, 4088515), (25, 3270812), (38, 2151850), (50, 1635406), (76, 1075925), (95, 860740), (100, 817703), (190, 430370), (380, 215185), (475, 172148), (950, 86074), (1900, 43037)]