2008997375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4441}}^1$

素因数の和:4521

約数の個数: 64

約数和(自身を含む): 3193122816

約数和(自身を除く): 1184125441

約数列:

[1, 5, 7, 11, 25, 35, 47, 55, 77, 125, 175, 235, 275, 329, 385, 517, 875, 1175, 1375, 1645, 1925, 2585, 3619, 4441, 5875, 8225, 9625, 12925, 18095, 22205, 31087, 41125, 48851, 64625, 90475, 111025, 155435, 208727, 244255, 341957, 452375, 555125, 777175, 1043635, 1221275, 1461089, 1709785, 2295997, 3885875, 5218175, 6106375, 7305445, 8548925, 11479985, 16071979, 26090875, 36527225, 42744625, 57399925, 80359895, 182636125, 286999625, 401799475, 2008997375]

約数ペア:

[(1, 2008997375), (5, 401799475), (7, 286999625), (11, 182636125), (25, 80359895), (35, 57399925), (47, 42744625), (55, 36527225), (77, 26090875), (125, 16071979), (175, 11479985), (235, 8548925), (275, 7305445), (329, 6106375), (385, 5218175), (517, 3885875), (875, 2295997), (1175, 1709785), (1375, 1461089), (1645, 1221275), (1925, 1043635), (2585, 777175), (3619, 555125), (4441, 452375), (5875, 341957), (8225, 244255), (9625, 208727), (12925, 155435), (18095, 111025), (22205, 90475), (31087, 64625), (41125, 48851)]