39988930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 77783976

約数和(自身を除く): 37795046

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 137, 170, 202, 274, 289, 505, 578, 685, 1010, 1370, 1445, 1717, 2329, 2890, 3434, 4658, 8585, 11645, 13837, 17170, 23290, 27674, 29189, 39593, 58378, 69185, 79186, 138370, 145945, 197965, 235229, 291890, 395930, 470458, 1176145, 2352290, 3998893, 7997786, 19994465, 39988930]

約数ペア:

[(1, 39988930), (2, 19994465), (5, 7997786), (10, 3998893), (17, 2352290), (34, 1176145), (85, 470458), (101, 395930), (137, 291890), (170, 235229), (202, 197965), (274, 145945), (289, 138370), (505, 79186), (578, 69185), (685, 58378), (1010, 39593), (1370, 29189), (1445, 27674), (1717, 23290), (2329, 17170), (2890, 13837), (3434, 11645), (4658, 8585)]