191891750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 384067008

約数和(自身を除く): 192175258

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 163, 170, 250, 277, 326, 425, 554, 815, 850, 1385, 1630, 2125, 2770, 2771, 4075, 4250, 4709, 5542, 6925, 8150, 9418, 13850, 13855, 20375, 23545, 27710, 34625, 40750, 45151, 47090, 69250, 69275, 90302, 117725, 138550, 225755, 235450, 346375, 451510, 588625, 692750, 767567, 1128775, 1177250, 1535134, 2257550, 3837835, 5643875, 7675670, 11287750, 19189175, 38378350, 95945875, 191891750]

約数ペア:

[(1, 191891750), (2, 95945875), (5, 38378350), (10, 19189175), (17, 11287750), (25, 7675670), (34, 5643875), (50, 3837835), (85, 2257550), (125, 1535134), (163, 1177250), (170, 1128775), (250, 767567), (277, 692750), (326, 588625), (425, 451510), (554, 346375), (815, 235450), (850, 225755), (1385, 138550), (1630, 117725), (2125, 90302), (2770, 69275), (2771, 69250), (4075, 47090), (4250, 45151), (4709, 40750), (5542, 34625), (6925, 27710), (8150, 23545), (9418, 20375), (13850, 13855)]