68337775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 103899600

約数和(自身を除く): 35561825

約数列:

[1, 5, 11, 19, 25, 29, 41, 55, 95, 121, 145, 205, 209, 275, 319, 451, 475, 551, 605, 725, 779, 1025, 1045, 1189, 1595, 2255, 2299, 2755, 3025, 3509, 3895, 4961, 5225, 5945, 6061, 7975, 8569, 11275, 11495, 13079, 13775, 17545, 19475, 22591, 24805, 29725, 30305, 42845, 57475, 65395, 66671, 87725, 94259, 112955, 124025, 143869, 151525, 214225, 248501, 326975, 333355, 471295, 564775, 719345, 1242505, 1666775, 2356475, 2733511, 3596725, 6212525, 13667555, 68337775]

約数ペア:

[(1, 68337775), (5, 13667555), (11, 6212525), (19, 3596725), (25, 2733511), (29, 2356475), (41, 1666775), (55, 1242505), (95, 719345), (121, 564775), (145, 471295), (205, 333355), (209, 326975), (275, 248501), (319, 214225), (451, 151525), (475, 143869), (551, 124025), (605, 112955), (725, 94259), (779, 87725), (1025, 66671), (1045, 65395), (1189, 57475), (1595, 42845), (2255, 30305), (2299, 29725), (2755, 24805), (3025, 22591), (3509, 19475), (3895, 17545), (4961, 13775), (5225, 13079), (5945, 11495), (6061, 11275), (7975, 8569)]