90870500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{3709}}^1$

素因数の和:3742

約数の個数: 72

約数和(自身を含む): 230925240

約数和(自身を除く): 140054740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 3709, 4900, 6125, 7418, 12250, 14836, 18545, 24500, 25963, 37090, 51926, 74180, 92725, 103852, 129815, 181741, 185450, 259630, 363482, 370900, 463625, 519260, 649075, 726964, 908705, 927250, 1298150, 1817410, 1854500, 2596300, 3245375, 3634820, 4543525, 6490750, 9087050, 12981500, 18174100, 22717625, 45435250, 90870500]

約数ペア:

[(1, 90870500), (2, 45435250), (4, 22717625), (5, 18174100), (7, 12981500), (10, 9087050), (14, 6490750), (20, 4543525), (25, 3634820), (28, 3245375), (35, 2596300), (49, 1854500), (50, 1817410), (70, 1298150), (98, 927250), (100, 908705), (125, 726964), (140, 649075), (175, 519260), (196, 463625), (245, 370900), (250, 363482), (350, 259630), (490, 185450), (500, 181741), (700, 129815), (875, 103852), (980, 92725), (1225, 74180), (1750, 51926), (2450, 37090), (3500, 25963), (3709, 24500), (4900, 18545), (6125, 14836), (7418, 12250)]