66913900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 154990080

約数和(自身を除く): 88076180

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 460, 470, 575, 619, 940, 1081, 1150, 1175, 1238, 2162, 2300, 2350, 2476, 3095, 4324, 4700, 5405, 6190, 10810, 12380, 14237, 15475, 21620, 27025, 28474, 29093, 30950, 54050, 56948, 58186, 61900, 71185, 108100, 116372, 142370, 145465, 284740, 290930, 355925, 581860, 669139, 711850, 727325, 1338278, 1423700, 1454650, 2676556, 2909300, 3345695, 6691390, 13382780, 16728475, 33456950, 66913900]

約数ペア:

[(1, 66913900), (2, 33456950), (4, 16728475), (5, 13382780), (10, 6691390), (20, 3345695), (23, 2909300), (25, 2676556), (46, 1454650), (47, 1423700), (50, 1338278), (92, 727325), (94, 711850), (100, 669139), (115, 581860), (188, 355925), (230, 290930), (235, 284740), (460, 145465), (470, 142370), (575, 116372), (619, 108100), (940, 71185), (1081, 61900), (1150, 58186), (1175, 56948), (1238, 54050), (2162, 30950), (2300, 29093), (2350, 28474), (2476, 27025), (3095, 21620), (4324, 15475), (4700, 14237), (5405, 12380), (6190, 10810)]