221938040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{761}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 523402560

約数和(自身を除く): 301464520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 317, 460, 634, 761, 920, 1268, 1522, 1585, 2536, 3044, 3170, 3805, 6088, 6340, 7291, 7610, 12680, 14582, 15220, 17503, 29164, 30440, 35006, 36455, 58328, 70012, 72910, 87515, 140024, 145820, 175030, 241237, 291640, 350060, 482474, 700120, 964948, 1206185, 1929896, 2412370, 4824740, 5548451, 9649480, 11096902, 22193804, 27742255, 44387608, 55484510, 110969020, 221938040]

約数ペア:

[(1, 221938040), (2, 110969020), (4, 55484510), (5, 44387608), (8, 27742255), (10, 22193804), (20, 11096902), (23, 9649480), (40, 5548451), (46, 4824740), (92, 2412370), (115, 1929896), (184, 1206185), (230, 964948), (317, 700120), (460, 482474), (634, 350060), (761, 291640), (920, 241237), (1268, 175030), (1522, 145820), (1585, 140024), (2536, 87515), (3044, 72910), (3170, 70012), (3805, 58328), (6088, 36455), (6340, 35006), (7291, 30440), (7610, 29164), (12680, 17503), (14582, 15220)]