427335280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1426

約数の個数: 80

約数和(自身を含む): 1026898560

約数和(自身を除く): 599563280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 752, 890, 940, 1277, 1424, 1780, 1880, 2554, 3560, 3760, 4183, 5108, 6385, 7120, 8366, 10216, 12770, 16732, 20432, 20915, 25540, 33464, 41830, 51080, 60019, 66928, 83660, 102160, 113653, 120038, 167320, 227306, 240076, 300095, 334640, 454612, 480152, 568265, 600190, 909224, 960304, 1136530, 1200380, 1818448, 2273060, 2400760, 4546120, 4801520, 5341691, 9092240, 10683382, 21366764, 26708455, 42733528, 53416910, 85467056, 106833820, 213667640, 427335280]

約数ペア:

[(1, 427335280), (2, 213667640), (4, 106833820), (5, 85467056), (8, 53416910), (10, 42733528), (16, 26708455), (20, 21366764), (40, 10683382), (47, 9092240), (80, 5341691), (89, 4801520), (94, 4546120), (178, 2400760), (188, 2273060), (235, 1818448), (356, 1200380), (376, 1136530), (445, 960304), (470, 909224), (712, 600190), (752, 568265), (890, 480152), (940, 454612), (1277, 334640), (1424, 300095), (1780, 240076), (1880, 227306), (2554, 167320), (3560, 120038), (3760, 113653), (4183, 102160), (5108, 83660), (6385, 66928), (7120, 60019), (8366, 51080), (10216, 41830), (12770, 33464), (16732, 25540), (20432, 20915)]