66691900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3235

約数の個数: 72

約数和(自身を含む): 166239360

約数和(自身を除く): 99547460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 3191, 4180, 5225, 6382, 10450, 12764, 15955, 20900, 31910, 35101, 60629, 63820, 70202, 79775, 121258, 140404, 159550, 175505, 242516, 303145, 319100, 351010, 606290, 666919, 702020, 877525, 1212580, 1333838, 1515725, 1755050, 2667676, 3031450, 3334595, 3510100, 6062900, 6669190, 13338380, 16672975, 33345950, 66691900]

約数ペア:

[(1, 66691900), (2, 33345950), (4, 16672975), (5, 13338380), (10, 6669190), (11, 6062900), (19, 3510100), (20, 3334595), (22, 3031450), (25, 2667676), (38, 1755050), (44, 1515725), (50, 1333838), (55, 1212580), (76, 877525), (95, 702020), (100, 666919), (110, 606290), (190, 351010), (209, 319100), (220, 303145), (275, 242516), (380, 175505), (418, 159550), (475, 140404), (550, 121258), (836, 79775), (950, 70202), (1045, 63820), (1100, 60629), (1900, 35101), (2090, 31910), (3191, 20900), (4180, 15955), (5225, 12764), (6382, 10450)]