722260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 1953504

約数和(自身を除く): 1231244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 67, 70, 77, 98, 110, 134, 140, 154, 196, 220, 245, 268, 308, 335, 385, 469, 490, 539, 670, 737, 770, 938, 980, 1078, 1340, 1474, 1540, 1876, 2156, 2345, 2695, 2948, 3283, 3685, 4690, 5159, 5390, 6566, 7370, 9380, 10318, 10780, 13132, 14740, 16415, 20636, 25795, 32830, 36113, 51590, 65660, 72226, 103180, 144452, 180565, 361130, 722260]

約数ペア:

[(1, 722260), (2, 361130), (4, 180565), (5, 144452), (7, 103180), (10, 72226), (11, 65660), (14, 51590), (20, 36113), (22, 32830), (28, 25795), (35, 20636), (44, 16415), (49, 14740), (55, 13132), (67, 10780), (70, 10318), (77, 9380), (98, 7370), (110, 6566), (134, 5390), (140, 5159), (154, 4690), (196, 3685), (220, 3283), (245, 2948), (268, 2695), (308, 2345), (335, 2156), (385, 1876), (469, 1540), (490, 1474), (539, 1340), (670, 1078), (737, 980), (770, 938)]