225218020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1217}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 499282560

約数和(自身を除く): 274064540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 487, 974, 1217, 1948, 2434, 2435, 4868, 4870, 6085, 9253, 9740, 12170, 18506, 23123, 24340, 37012, 46246, 46265, 92492, 92530, 115615, 185060, 231230, 462460, 592679, 1185358, 2370716, 2963395, 5926790, 11260901, 11853580, 22521802, 45043604, 56304505, 112609010, 225218020]

約数ペア:

[(1, 225218020), (2, 112609010), (4, 56304505), (5, 45043604), (10, 22521802), (19, 11853580), (20, 11260901), (38, 5926790), (76, 2963395), (95, 2370716), (190, 1185358), (380, 592679), (487, 462460), (974, 231230), (1217, 185060), (1948, 115615), (2434, 92530), (2435, 92492), (4868, 46265), (4870, 46246), (6085, 37012), (9253, 24340), (9740, 23123), (12170, 18506)]