71568820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{569}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 158961600

約数和(自身を除く): 87392780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 380, 569, 662, 1138, 1324, 1655, 2276, 2845, 3310, 5690, 6289, 6620, 10811, 11380, 12578, 21622, 25156, 31445, 43244, 54055, 62890, 108110, 125780, 188339, 216220, 376678, 753356, 941695, 1883390, 3578441, 3766780, 7156882, 14313764, 17892205, 35784410, 71568820]

約数ペア:

[(1, 71568820), (2, 35784410), (4, 17892205), (5, 14313764), (10, 7156882), (19, 3766780), (20, 3578441), (38, 1883390), (76, 941695), (95, 753356), (190, 376678), (331, 216220), (380, 188339), (569, 125780), (662, 108110), (1138, 62890), (1324, 54055), (1655, 43244), (2276, 31445), (2845, 25156), (3310, 21622), (5690, 12578), (6289, 11380), (6620, 10811)]