87280900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1861}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 219805376

約数和(自身を除く): 132524476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 67, 70, 100, 134, 140, 175, 268, 335, 350, 469, 670, 700, 938, 1340, 1675, 1861, 1876, 2345, 3350, 3722, 4690, 6700, 7444, 9305, 9380, 11725, 13027, 18610, 23450, 26054, 37220, 46525, 46900, 52108, 65135, 93050, 124687, 130270, 186100, 249374, 260540, 325675, 498748, 623435, 651350, 872809, 1246870, 1302700, 1745618, 2493740, 3117175, 3491236, 4364045, 6234350, 8728090, 12468700, 17456180, 21820225, 43640450, 87280900]

約数ペア:

[(1, 87280900), (2, 43640450), (4, 21820225), (5, 17456180), (7, 12468700), (10, 8728090), (14, 6234350), (20, 4364045), (25, 3491236), (28, 3117175), (35, 2493740), (50, 1745618), (67, 1302700), (70, 1246870), (100, 872809), (134, 651350), (140, 623435), (175, 498748), (268, 325675), (335, 260540), (350, 249374), (469, 186100), (670, 130270), (700, 124687), (938, 93050), (1340, 65135), (1675, 52108), (1861, 46900), (1876, 46525), (2345, 37220), (3350, 26054), (3722, 23450), (4690, 18610), (6700, 13027), (7444, 11725), (9305, 9380)]