66840400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1421

約数の個数: 90

約数和(自身を含む): 176637566

約数和(自身を除く): 109797166

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1381, 1936, 2200, 2420, 2762, 3025, 4400, 4840, 5524, 6050, 6905, 9680, 11048, 12100, 13810, 15191, 22096, 24200, 27620, 30382, 34525, 48400, 55240, 60764, 69050, 75955, 110480, 121528, 138100, 151910, 167101, 243056, 276200, 303820, 334202, 379775, 552400, 607640, 668404, 759550, 835505, 1215280, 1336808, 1519100, 1671010, 2673616, 3038200, 3342020, 4177525, 6076400, 6684040, 8355050, 13368080, 16710100, 33420200, 66840400]

約数ペア:

[(1, 66840400), (2, 33420200), (4, 16710100), (5, 13368080), (8, 8355050), (10, 6684040), (11, 6076400), (16, 4177525), (20, 3342020), (22, 3038200), (25, 2673616), (40, 1671010), (44, 1519100), (50, 1336808), (55, 1215280), (80, 835505), (88, 759550), (100, 668404), (110, 607640), (121, 552400), (176, 379775), (200, 334202), (220, 303820), (242, 276200), (275, 243056), (400, 167101), (440, 151910), (484, 138100), (550, 121528), (605, 110480), (880, 75955), (968, 69050), (1100, 60764), (1210, 55240), (1381, 48400), (1936, 34525), (2200, 30382), (2420, 27620), (2762, 24200), (3025, 22096), (4400, 15191), (4840, 13810), (5524, 12100), (6050, 11048), (6905, 9680)]