29999842575

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{499}}^1\times {\mathrm{1999}}^1$

素因数の和:2912

約数の個数: 48

約数和(自身を含む): 49848000000

約数和(自身を除く): 19848157425

約数列:

[1, 3, 5, 15, 25, 75, 401, 499, 1203, 1497, 1999, 2005, 2495, 5997, 6015, 7485, 9995, 10025, 12475, 29985, 30075, 37425, 49975, 149925, 200099, 600297, 801599, 997501, 1000495, 2404797, 2992503, 3001485, 4007995, 4987505, 5002475, 12023985, 14962515, 15007425, 20039975, 24937525, 60119925, 74812575, 399997901, 1199993703, 1999989505, 5999968515, 9999947525, 29999842575]

約数ペア:

[(1, 29999842575), (3, 9999947525), (5, 5999968515), (15, 1999989505), (25, 1199993703), (75, 399997901), (401, 74812575), (499, 60119925), (1203, 24937525), (1497, 20039975), (1999, 15007425), (2005, 14962515), (2495, 12023985), (5997, 5002475), (6015, 4987505), (7485, 4007995), (9995, 3001485), (10025, 2992503), (12475, 2404797), (29985, 1000495), (30075, 997501), (37425, 801599), (49975, 600297), (149925, 200099)]