80339000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 128

約数和(自身を含む): 224640000

約数和(自身を除く): 144301000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 125, 140, 161, 175, 184, 200, 230, 250, 280, 322, 350, 460, 499, 500, 575, 644, 700, 805, 875, 920, 998, 1000, 1150, 1288, 1400, 1610, 1750, 1996, 2300, 2495, 2875, 3220, 3493, 3500, 3992, 4025, 4600, 4990, 5750, 6440, 6986, 7000, 8050, 9980, 11477, 11500, 12475, 13972, 16100, 17465, 19960, 20125, 22954, 23000, 24950, 27944, 32200, 34930, 40250, 45908, 49900, 57385, 62375, 69860, 80339, 80500, 87325, 91816, 99800, 114770, 124750, 139720, 160678, 161000, 174650, 229540, 249500, 286925, 321356, 349300, 401695, 436625, 459080, 499000, 573850, 642712, 698600, 803390, 873250, 1147700, 1434625, 1606780, 1746500, 2008475, 2295400, 2869250, 3213560, 3493000, 4016950, 5738500, 8033900, 10042375, 11477000, 16067800, 20084750, 40169500, 80339000]

約数ペア:

[(1, 80339000), (2, 40169500), (4, 20084750), (5, 16067800), (7, 11477000), (8, 10042375), (10, 8033900), (14, 5738500), (20, 4016950), (23, 3493000), (25, 3213560), (28, 2869250), (35, 2295400), (40, 2008475), (46, 1746500), (50, 1606780), (56, 1434625), (70, 1147700), (92, 873250), (100, 803390), (115, 698600), (125, 642712), (140, 573850), (161, 499000), (175, 459080), (184, 436625), (200, 401695), (230, 349300), (250, 321356), (280, 286925), (322, 249500), (350, 229540), (460, 174650), (499, 161000), (500, 160678), (575, 139720), (644, 124750), (700, 114770), (805, 99800), (875, 91816), (920, 87325), (998, 80500), (1000, 80339), (1150, 69860), (1288, 62375), (1400, 57385), (1610, 49900), (1750, 45908), (1996, 40250), (2300, 34930), (2495, 32200), (2875, 27944), (3220, 24950), (3493, 23000), (3500, 22954), (3992, 20125), (4025, 19960), (4600, 17465), (4990, 16100), (5750, 13972), (6440, 12475), (6986, 11500), (7000, 11477), (8050, 9980)]