137345870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{16811}}^1$

素因数の和:16880

約数の個数: 32

約数和(自身を含む): 266302080

約数和(自身を除く): 128956210

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 16811, 33622, 84055, 168110, 319409, 638818, 722873, 1445746, 1597045, 3194090, 3614365, 7228730, 13734587, 27469174, 68672935, 137345870]

約数ペア:

[(1, 137345870), (2, 68672935), (5, 27469174), (10, 13734587), (19, 7228730), (38, 3614365), (43, 3194090), (86, 1597045), (95, 1445746), (190, 722873), (215, 638818), (430, 319409), (817, 168110), (1634, 84055), (4085, 33622), (8170, 16811)]