2978500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 96

約数和(自身を含む): 7967232

約数和(自身を除く): 4988732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 37, 46, 50, 70, 74, 92, 100, 115, 125, 140, 148, 161, 175, 185, 230, 250, 259, 322, 350, 370, 460, 500, 518, 575, 644, 700, 740, 805, 851, 875, 925, 1036, 1150, 1295, 1610, 1702, 1750, 1850, 2300, 2590, 2875, 3220, 3404, 3500, 3700, 4025, 4255, 4625, 5180, 5750, 5957, 6475, 8050, 8510, 9250, 11500, 11914, 12950, 16100, 17020, 18500, 20125, 21275, 23828, 25900, 29785, 32375, 40250, 42550, 59570, 64750, 80500, 85100, 106375, 119140, 129500, 148925, 212750, 297850, 425500, 595700, 744625, 1489250, 2978500]

約数ペア:

[(1, 2978500), (2, 1489250), (4, 744625), (5, 595700), (7, 425500), (10, 297850), (14, 212750), (20, 148925), (23, 129500), (25, 119140), (28, 106375), (35, 85100), (37, 80500), (46, 64750), (50, 59570), (70, 42550), (74, 40250), (92, 32375), (100, 29785), (115, 25900), (125, 23828), (140, 21275), (148, 20125), (161, 18500), (175, 17020), (185, 16100), (230, 12950), (250, 11914), (259, 11500), (322, 9250), (350, 8510), (370, 8050), (460, 6475), (500, 5957), (518, 5750), (575, 5180), (644, 4625), (700, 4255), (740, 4025), (805, 3700), (851, 3500), (875, 3404), (925, 3220), (1036, 2875), (1150, 2590), (1295, 2300), (1610, 1850), (1702, 1750)]