397303960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 915670080

約数和(自身を除く): 518366120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 103, 146, 206, 292, 365, 412, 515, 584, 730, 824, 1030, 1321, 1460, 2060, 2642, 2920, 4120, 5284, 6605, 7519, 10568, 13210, 15038, 26420, 30076, 37595, 52840, 60152, 75190, 96433, 136063, 150380, 192866, 272126, 300760, 385732, 482165, 544252, 680315, 771464, 964330, 1088504, 1360630, 1928660, 2721260, 3857320, 5442520, 9932599, 19865198, 39730396, 49662995, 79460792, 99325990, 198651980, 397303960]

約数ペア:

[(1, 397303960), (2, 198651980), (4, 99325990), (5, 79460792), (8, 49662995), (10, 39730396), (20, 19865198), (40, 9932599), (73, 5442520), (103, 3857320), (146, 2721260), (206, 1928660), (292, 1360630), (365, 1088504), (412, 964330), (515, 771464), (584, 680315), (730, 544252), (824, 482165), (1030, 385732), (1321, 300760), (1460, 272126), (2060, 192866), (2642, 150380), (2920, 136063), (4120, 96433), (5284, 75190), (6605, 60152), (7519, 52840), (10568, 37595), (13210, 30076), (15038, 26420)]