71287700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 170093280

約数和(自身を除く): 98805580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 229, 275, 283, 458, 550, 566, 916, 1100, 1132, 1145, 1415, 2290, 2519, 2830, 3113, 4580, 5038, 5660, 5725, 6226, 7075, 10076, 11450, 12452, 12595, 14150, 15565, 22900, 25190, 28300, 31130, 50380, 62260, 62975, 64807, 77825, 125950, 129614, 155650, 251900, 259228, 311300, 324035, 648070, 712877, 1296140, 1425754, 1620175, 2851508, 3240350, 3564385, 6480700, 7128770, 14257540, 17821925, 35643850, 71287700]

約数ペア:

[(1, 71287700), (2, 35643850), (4, 17821925), (5, 14257540), (10, 7128770), (11, 6480700), (20, 3564385), (22, 3240350), (25, 2851508), (44, 1620175), (50, 1425754), (55, 1296140), (100, 712877), (110, 648070), (220, 324035), (229, 311300), (275, 259228), (283, 251900), (458, 155650), (550, 129614), (566, 125950), (916, 77825), (1100, 64807), (1132, 62975), (1145, 62260), (1415, 50380), (2290, 31130), (2519, 28300), (2830, 25190), (3113, 22900), (4580, 15565), (5038, 14150), (5660, 12595), (5725, 12452), (6226, 11450), (7075, 10076)]