199655840

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7213}}^1$

素因数の和:7401

約数の個数: 48

約数和(自身を含む): 474479208

約数和(自身を除く): 274823368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 5536, 6920, 7213, 13840, 14426, 27680, 28852, 36065, 57704, 72130, 115408, 144260, 230816, 288520, 577040, 1154080, 1247849, 2495698, 4991396, 6239245, 9982792, 12478490, 19965584, 24956980, 39931168, 49913960, 99827920, 199655840]

約数ペア:

[(1, 199655840), (2, 99827920), (4, 49913960), (5, 39931168), (8, 24956980), (10, 19965584), (16, 12478490), (20, 9982792), (32, 6239245), (40, 4991396), (80, 2495698), (160, 1247849), (173, 1154080), (346, 577040), (692, 288520), (865, 230816), (1384, 144260), (1730, 115408), (2768, 72130), (3460, 57704), (5536, 36065), (6920, 28852), (7213, 27680), (13840, 14426)]