28653460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 66185280

約数和(自身を除く): 37531820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 937, 1390, 1529, 1874, 2780, 3058, 3748, 4685, 6116, 7645, 9370, 10307, 15290, 18740, 20614, 30580, 41228, 51535, 103070, 130243, 206140, 260486, 520972, 651215, 1302430, 1432673, 2604860, 2865346, 5730692, 7163365, 14326730, 28653460]

約数ペア:

[(1, 28653460), (2, 14326730), (4, 7163365), (5, 5730692), (10, 2865346), (11, 2604860), (20, 1432673), (22, 1302430), (44, 651215), (55, 520972), (110, 260486), (139, 206140), (220, 130243), (278, 103070), (556, 51535), (695, 41228), (937, 30580), (1390, 20614), (1529, 18740), (1874, 15290), (2780, 10307), (3058, 9370), (3748, 7645), (4685, 6116)]