129969220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1913}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 282965760

約数和(自身を除く): 152996540

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1580, 1913, 3397, 3826, 6794, 7652, 9565, 13588, 16985, 19130, 33970, 38260, 67940, 82259, 151127, 164518, 302254, 329036, 411295, 604508, 755635, 822590, 1511270, 1645180, 3022540, 6498461, 12996922, 25993844, 32492305, 64984610, 129969220]

約数ペア:

[(1, 129969220), (2, 64984610), (4, 32492305), (5, 25993844), (10, 12996922), (20, 6498461), (43, 3022540), (79, 1645180), (86, 1511270), (158, 822590), (172, 755635), (215, 604508), (316, 411295), (395, 329036), (430, 302254), (790, 164518), (860, 151127), (1580, 82259), (1913, 67940), (3397, 38260), (3826, 33970), (6794, 19130), (7652, 16985), (9565, 13588)]