2054990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 4368384

約数和(自身を除く): 2313394

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 947, 1085, 1894, 2170, 4735, 6629, 9470, 13258, 29357, 33145, 58714, 66290, 146785, 205499, 293570, 410998, 1027495, 2054990]

約数ペア:

[(1, 2054990), (2, 1027495), (5, 410998), (7, 293570), (10, 205499), (14, 146785), (31, 66290), (35, 58714), (62, 33145), (70, 29357), (155, 13258), (217, 9470), (310, 6629), (434, 4735), (947, 2170), (1085, 1894)]