2638356340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{68743}}^1$

素因数の和:68872

約数の個数: 48

約数和(自身を含む): 5889985920

約数和(自身を除く): 3251629580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 9595, 19190, 38380, 68743, 137486, 274972, 343715, 687430, 1306117, 1374860, 2612234, 5224468, 6530585, 6943043, 13061170, 13886086, 26122340, 27772172, 34715215, 69430430, 131917817, 138860860, 263835634, 527671268, 659589085, 1319178170, 2638356340]

約数ペア:

[(1, 2638356340), (2, 1319178170), (4, 659589085), (5, 527671268), (10, 263835634), (19, 138860860), (20, 131917817), (38, 69430430), (76, 34715215), (95, 27772172), (101, 26122340), (190, 13886086), (202, 13061170), (380, 6943043), (404, 6530585), (505, 5224468), (1010, 2612234), (1919, 1374860), (2020, 1306117), (3838, 687430), (7676, 343715), (9595, 274972), (19190, 137486), (38380, 68743)]