20218350250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{58057}}^1$

素因数の和:58280

約数の個数: 64

約数和(自身を含む): 43473830400

約数和(自身を除く): 23255480150

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 199, 250, 350, 398, 875, 995, 1393, 1750, 1990, 2786, 4975, 6965, 9950, 13930, 24875, 34825, 49750, 58057, 69650, 116114, 174125, 290285, 348250, 406399, 580570, 812798, 1451425, 2031995, 2902850, 4063990, 7257125, 10159975, 11553343, 14514250, 20319950, 23106686, 50799875, 57766715, 80873401, 101599750, 115533430, 161746802, 288833575, 404367005, 577667150, 808734010, 1444167875, 2021835025, 2888335750, 4043670050, 10109175125, 20218350250]

約数ペア:

[(1, 20218350250), (2, 10109175125), (5, 4043670050), (7, 2888335750), (10, 2021835025), (14, 1444167875), (25, 808734010), (35, 577667150), (50, 404367005), (70, 288833575), (125, 161746802), (175, 115533430), (199, 101599750), (250, 80873401), (350, 57766715), (398, 50799875), (875, 23106686), (995, 20319950), (1393, 14514250), (1750, 11553343), (1990, 10159975), (2786, 7257125), (4975, 4063990), (6965, 2902850), (9950, 2031995), (13930, 1451425), (24875, 812798), (34825, 580570), (49750, 406399), (58057, 348250), (69650, 290285), (116114, 174125)]