175421080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 409305600

約数和(自身を除く): 233884520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 316, 344, 395, 430, 632, 790, 860, 1291, 1580, 1720, 2582, 3160, 3397, 5164, 6455, 6794, 10328, 12910, 13588, 16985, 25820, 27176, 33970, 51640, 55513, 67940, 101989, 111026, 135880, 203978, 222052, 277565, 407956, 444104, 509945, 555130, 815912, 1019890, 1110260, 2039780, 2220520, 4079560, 4385527, 8771054, 17542108, 21927635, 35084216, 43855270, 87710540, 175421080]

約数ペア:

[(1, 175421080), (2, 87710540), (4, 43855270), (5, 35084216), (8, 21927635), (10, 17542108), (20, 8771054), (40, 4385527), (43, 4079560), (79, 2220520), (86, 2039780), (158, 1110260), (172, 1019890), (215, 815912), (316, 555130), (344, 509945), (395, 444104), (430, 407956), (632, 277565), (790, 222052), (860, 203978), (1291, 135880), (1580, 111026), (1720, 101989), (2582, 67940), (3160, 55513), (3397, 51640), (5164, 33970), (6455, 27176), (6794, 25820), (10328, 16985), (12910, 13588)]