281519480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4603}}^1$

素因数の和:4764

約数の個数: 64

約数和(自身を含む): 696124800

約数和(自身を除く): 414605320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2780, 3058, 4603, 5560, 6116, 7645, 9206, 12232, 15290, 18412, 23015, 30580, 36824, 46030, 50633, 61160, 92060, 101266, 184120, 202532, 253165, 405064, 506330, 639817, 1012660, 1279634, 2025320, 2559268, 3199085, 5118536, 6398170, 7037987, 12796340, 14075974, 25592680, 28151948, 35189935, 56303896, 70379870, 140759740, 281519480]

約数ペア:

[(1, 281519480), (2, 140759740), (4, 70379870), (5, 56303896), (8, 35189935), (10, 28151948), (11, 25592680), (20, 14075974), (22, 12796340), (40, 7037987), (44, 6398170), (55, 5118536), (88, 3199085), (110, 2559268), (139, 2025320), (220, 1279634), (278, 1012660), (440, 639817), (556, 506330), (695, 405064), (1112, 253165), (1390, 202532), (1529, 184120), (2780, 101266), (3058, 92060), (4603, 61160), (5560, 50633), (6116, 46030), (7645, 36824), (9206, 30580), (12232, 23015), (15290, 18412)]