2021985980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2063251}}^1$

素因数の和:2063274

約数の個数: 36

約数和(自身を含む): 4939425288

約数和(自身を除く): 2917439308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2063251, 4126502, 8253004, 10316255, 14442757, 20632510, 28885514, 41265020, 57771028, 72213785, 101099299, 144427570, 202198598, 288855140, 404397196, 505496495, 1010992990, 2021985980]

約数ペア:

[(1, 2021985980), (2, 1010992990), (4, 505496495), (5, 404397196), (7, 288855140), (10, 202198598), (14, 144427570), (20, 101099299), (28, 72213785), (35, 57771028), (49, 41265020), (70, 28885514), (98, 20632510), (140, 14442757), (196, 10316255), (245, 8253004), (490, 4126502), (980, 2063251)]