2019955000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{57713}}^1$

素因数の和:57746

約数の個数: 80

約数和(自身を含む): 5408956080

約数和(自身を除く): 3389001080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1750, 2500, 3500, 4375, 5000, 7000, 8750, 17500, 35000, 57713, 115426, 230852, 288565, 403991, 461704, 577130, 807982, 1154260, 1442825, 1615964, 2019955, 2308520, 2885650, 3231928, 4039910, 5771300, 7214125, 8079820, 10099775, 11542600, 14428250, 16159640, 20199550, 28856500, 36070625, 40399100, 50498875, 57713000, 72141250, 80798200, 100997750, 144282500, 201995500, 252494375, 288565000, 403991000, 504988750, 1009977500, 2019955000]

約数ペア:

[(1, 2019955000), (2, 1009977500), (4, 504988750), (5, 403991000), (7, 288565000), (8, 252494375), (10, 201995500), (14, 144282500), (20, 100997750), (25, 80798200), (28, 72141250), (35, 57713000), (40, 50498875), (50, 40399100), (56, 36070625), (70, 28856500), (100, 20199550), (125, 16159640), (140, 14428250), (175, 11542600), (200, 10099775), (250, 8079820), (280, 7214125), (350, 5771300), (500, 4039910), (625, 3231928), (700, 2885650), (875, 2308520), (1000, 2019955), (1250, 1615964), (1400, 1442825), (1750, 1154260), (2500, 807982), (3500, 577130), (4375, 461704), (5000, 403991), (7000, 288565), (8750, 230852), (17500, 115426), (35000, 57713)]