837057980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{9781}}^1$

素因数の和:10190

約数の個数: 48

約数和(自身を含む): 1922749920

約数和(自身を除く): 1085691940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 3890, 4279, 7780, 8558, 9781, 17116, 19562, 21395, 39124, 42790, 48905, 85580, 97810, 107591, 195620, 215182, 430364, 537955, 1075910, 2151820, 3804809, 7609618, 15219236, 19024045, 38048090, 41852899, 76096180, 83705798, 167411596, 209264495, 418528990, 837057980]

約数ペア:

[(1, 837057980), (2, 418528990), (4, 209264495), (5, 167411596), (10, 83705798), (11, 76096180), (20, 41852899), (22, 38048090), (44, 19024045), (55, 15219236), (110, 7609618), (220, 3804809), (389, 2151820), (778, 1075910), (1556, 537955), (1945, 430364), (3890, 215182), (4279, 195620), (7780, 107591), (8558, 97810), (9781, 85580), (17116, 48905), (19562, 42790), (21395, 39124)]