138845800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 346149720

約数和(自身を除く): 207303920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 97, 100, 136, 170, 194, 200, 340, 388, 421, 425, 485, 680, 776, 842, 850, 970, 1649, 1684, 1700, 1940, 2105, 2425, 3298, 3368, 3400, 3880, 4210, 4850, 6596, 7157, 8245, 8420, 9700, 10525, 13192, 14314, 16490, 16840, 19400, 21050, 28628, 32980, 35785, 40837, 41225, 42100, 57256, 65960, 71570, 81674, 82450, 84200, 143140, 163348, 164900, 178925, 204185, 286280, 326696, 329800, 357850, 408370, 694229, 715700, 816740, 1020925, 1388458, 1431400, 1633480, 2041850, 2776916, 3471145, 4083700, 5553832, 6942290, 8167400, 13884580, 17355725, 27769160, 34711450, 69422900, 138845800]

約数ペア:

[(1, 138845800), (2, 69422900), (4, 34711450), (5, 27769160), (8, 17355725), (10, 13884580), (17, 8167400), (20, 6942290), (25, 5553832), (34, 4083700), (40, 3471145), (50, 2776916), (68, 2041850), (85, 1633480), (97, 1431400), (100, 1388458), (136, 1020925), (170, 816740), (194, 715700), (200, 694229), (340, 408370), (388, 357850), (421, 329800), (425, 326696), (485, 286280), (680, 204185), (776, 178925), (842, 164900), (850, 163348), (970, 143140), (1649, 84200), (1684, 82450), (1700, 81674), (1940, 71570), (2105, 65960), (2425, 57256), (3298, 42100), (3368, 41225), (3400, 40837), (3880, 35785), (4210, 32980), (4850, 28628), (6596, 21050), (7157, 19400), (8245, 16840), (8420, 16490), (9700, 14314), (10525, 13192)]