11918500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 28756728

約数和(自身を除く): 16838228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 197, 220, 242, 250, 275, 394, 484, 500, 550, 605, 788, 985, 1100, 1210, 1375, 1970, 2167, 2420, 2750, 3025, 3940, 4334, 4925, 5500, 6050, 8668, 9850, 10835, 12100, 15125, 19700, 21670, 23837, 24625, 30250, 43340, 47674, 49250, 54175, 60500, 95348, 98500, 108350, 119185, 216700, 238370, 270875, 476740, 541750, 595925, 1083500, 1191850, 2383700, 2979625, 5959250, 11918500]

約数ペア:

[(1, 11918500), (2, 5959250), (4, 2979625), (5, 2383700), (10, 1191850), (11, 1083500), (20, 595925), (22, 541750), (25, 476740), (44, 270875), (50, 238370), (55, 216700), (100, 119185), (110, 108350), (121, 98500), (125, 95348), (197, 60500), (220, 54175), (242, 49250), (250, 47674), (275, 43340), (394, 30250), (484, 24625), (500, 23837), (550, 21670), (605, 19700), (788, 15125), (985, 12100), (1100, 10835), (1210, 9850), (1375, 8668), (1970, 6050), (2167, 5500), (2420, 4925), (2750, 4334), (3025, 3940)]