201912790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{5009}}^1$

素因数の和:5184

約数の個数: 32

約数和(自身を含む): 378756000

約数和(自身を除く): 176843210

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 5009, 8062, 10018, 20155, 25045, 40310, 50090, 145261, 290522, 696251, 726305, 1392502, 1452610, 3481255, 6962510, 20191279, 40382558, 100956395, 201912790]

約数ペア:

[(1, 201912790), (2, 100956395), (5, 40382558), (10, 20191279), (29, 6962510), (58, 3481255), (139, 1452610), (145, 1392502), (278, 726305), (290, 696251), (695, 290522), (1390, 145261), (4031, 50090), (5009, 40310), (8062, 25045), (10018, 20155)]