201995950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 72

約数和(自身を含む): 417676392

約数和(自身を除く): 215680442

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 227, 325, 370, 454, 481, 650, 925, 962, 1135, 1369, 1850, 2270, 2405, 2738, 2951, 4810, 5675, 5902, 6845, 8399, 11350, 12025, 13690, 14755, 16798, 17797, 24050, 29510, 34225, 35594, 41995, 68450, 73775, 83990, 88985, 109187, 147550, 177970, 209975, 218374, 310763, 419950, 444925, 545935, 621526, 889850, 1091870, 1553815, 2729675, 3107630, 4039919, 5459350, 7769075, 8079838, 15538150, 20199595, 40399190, 100997975, 201995950]

約数ペア:

[(1, 201995950), (2, 100997975), (5, 40399190), (10, 20199595), (13, 15538150), (25, 8079838), (26, 7769075), (37, 5459350), (50, 4039919), (65, 3107630), (74, 2729675), (130, 1553815), (185, 1091870), (227, 889850), (325, 621526), (370, 545935), (454, 444925), (481, 419950), (650, 310763), (925, 218374), (962, 209975), (1135, 177970), (1369, 147550), (1850, 109187), (2270, 88985), (2405, 83990), (2738, 73775), (2951, 68450), (4810, 41995), (5675, 35594), (5902, 34225), (6845, 29510), (8399, 24050), (11350, 17797), (12025, 16798), (13690, 14755)]