231931850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 477441540

約数和(自身を除く): 245509690

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 97, 145, 170, 194, 290, 425, 485, 493, 725, 850, 970, 986, 1450, 1649, 2425, 2465, 2813, 3298, 4850, 4930, 5626, 8245, 9409, 12325, 14065, 16490, 18818, 24650, 28130, 41225, 47045, 47821, 70325, 82450, 94090, 95642, 140650, 159953, 235225, 239105, 272861, 319906, 470450, 478210, 545722, 799765, 1195525, 1364305, 1599530, 2391050, 2728610, 3998825, 4638637, 6821525, 7997650, 9277274, 13643050, 23193185, 46386370, 115965925, 231931850]

約数ペア:

[(1, 231931850), (2, 115965925), (5, 46386370), (10, 23193185), (17, 13643050), (25, 9277274), (29, 7997650), (34, 6821525), (50, 4638637), (58, 3998825), (85, 2728610), (97, 2391050), (145, 1599530), (170, 1364305), (194, 1195525), (290, 799765), (425, 545722), (485, 478210), (493, 470450), (725, 319906), (850, 272861), (970, 239105), (986, 235225), (1450, 159953), (1649, 140650), (2425, 95642), (2465, 94090), (2813, 82450), (3298, 70325), (4850, 47821), (4930, 47045), (5626, 41225), (8245, 28130), (9409, 24650), (12325, 18818), (14065, 16490)]