2080264900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{129209}}^1$

素因数の和:129253

約数の個数: 72

約数和(自身を含む): 5383405440

約数和(自身を除く): 3303140540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8050, 16100, 129209, 258418, 516836, 646045, 904463, 1292090, 1808926, 2584180, 2971807, 3230225, 3617852, 4522315, 5943614, 6460450, 9044630, 11887228, 12920900, 14859035, 18089260, 20802649, 22611575, 29718070, 41605298, 45223150, 59436140, 74295175, 83210596, 90446300, 104013245, 148590350, 208026490, 297180700, 416052980, 520066225, 1040132450, 2080264900]

約数ペア:

[(1, 2080264900), (2, 1040132450), (4, 520066225), (5, 416052980), (7, 297180700), (10, 208026490), (14, 148590350), (20, 104013245), (23, 90446300), (25, 83210596), (28, 74295175), (35, 59436140), (46, 45223150), (50, 41605298), (70, 29718070), (92, 22611575), (100, 20802649), (115, 18089260), (140, 14859035), (161, 12920900), (175, 11887228), (230, 9044630), (322, 6460450), (350, 5943614), (460, 4522315), (575, 3617852), (644, 3230225), (700, 2971807), (805, 2584180), (1150, 1808926), (1610, 1292090), (2300, 904463), (3220, 646045), (4025, 516836), (8050, 258418), (16100, 129209)]