198770560

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2267}}^1$

素因数の和:2423

約数の個数: 64

約数和(自身を含む): 478865520

約数和(自身を除く): 280094960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 1096, 1370, 2192, 2267, 2740, 4384, 4534, 5480, 8768, 9068, 10960, 11335, 17536, 18136, 21920, 22670, 36272, 43840, 45340, 72544, 87680, 90680, 145088, 181360, 290176, 310579, 362720, 621158, 725440, 1242316, 1450880, 1552895, 2484632, 3105790, 4969264, 6211580, 9938528, 12423160, 19877056, 24846320, 39754112, 49692640, 99385280, 198770560]

約数ペア:

[(1, 198770560), (2, 99385280), (4, 49692640), (5, 39754112), (8, 24846320), (10, 19877056), (16, 12423160), (20, 9938528), (32, 6211580), (40, 4969264), (64, 3105790), (80, 2484632), (128, 1552895), (137, 1450880), (160, 1242316), (274, 725440), (320, 621158), (548, 362720), (640, 310579), (685, 290176), (1096, 181360), (1370, 145088), (2192, 90680), (2267, 87680), (2740, 72544), (4384, 45340), (4534, 43840), (5480, 36272), (8768, 22670), (9068, 21920), (10960, 18136), (11335, 17536)]