2019999250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 4002336000

約数和(自身を除く): 1982336750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 199, 250, 398, 475, 950, 995, 1990, 2137, 2375, 3781, 4274, 4750, 4975, 7562, 9950, 10685, 18905, 21370, 24875, 37810, 40603, 49750, 53425, 81206, 94525, 106850, 189050, 203015, 267125, 406030, 425263, 472625, 534250, 850526, 945250, 1015075, 2030150, 2126315, 4252630, 5075375, 8079997, 10150750, 10631575, 16159994, 21263150, 40399985, 53157875, 80799970, 106315750, 201999925, 403999850, 1009999625, 2019999250]

約数ペア:

[(1, 2019999250), (2, 1009999625), (5, 403999850), (10, 201999925), (19, 106315750), (25, 80799970), (38, 53157875), (50, 40399985), (95, 21263150), (125, 16159994), (190, 10631575), (199, 10150750), (250, 8079997), (398, 5075375), (475, 4252630), (950, 2126315), (995, 2030150), (1990, 1015075), (2137, 945250), (2375, 850526), (3781, 534250), (4274, 472625), (4750, 425263), (4975, 406030), (7562, 267125), (9950, 203015), (10685, 189050), (18905, 106850), (21370, 94525), (24875, 81206), (37810, 53425), (40603, 49750)]