127848820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{691}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 303776928

約数和(自身を除く): 175928108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 691, 841, 1276, 1382, 1595, 1682, 2764, 3190, 3364, 3455, 4205, 6380, 6910, 7601, 8410, 9251, 13820, 15202, 16820, 18502, 20039, 30404, 37004, 38005, 40078, 46255, 76010, 80156, 92510, 100195, 152020, 185020, 200390, 220429, 400780, 440858, 581131, 881716, 1102145, 1162262, 2204290, 2324524, 2905655, 4408580, 5811310, 6392441, 11622620, 12784882, 25569764, 31962205, 63924410, 127848820]

約数ペア:

[(1, 127848820), (2, 63924410), (4, 31962205), (5, 25569764), (10, 12784882), (11, 11622620), (20, 6392441), (22, 5811310), (29, 4408580), (44, 2905655), (55, 2324524), (58, 2204290), (110, 1162262), (116, 1102145), (145, 881716), (220, 581131), (290, 440858), (319, 400780), (580, 220429), (638, 200390), (691, 185020), (841, 152020), (1276, 100195), (1382, 92510), (1595, 80156), (1682, 76010), (2764, 46255), (3190, 40078), (3364, 38005), (3455, 37004), (4205, 30404), (6380, 20039), (6910, 18502), (7601, 16820), (8410, 15202), (9251, 13820)]