2387980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 5898816

約数和(自身を除く): 3510836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 461, 518, 740, 922, 1036, 1295, 1844, 2305, 2590, 3227, 4610, 5180, 6454, 9220, 12908, 16135, 17057, 32270, 34114, 64540, 68228, 85285, 119399, 170570, 238798, 341140, 477596, 596995, 1193990, 2387980]

約数ペア:

[(1, 2387980), (2, 1193990), (4, 596995), (5, 477596), (7, 341140), (10, 238798), (14, 170570), (20, 119399), (28, 85285), (35, 68228), (37, 64540), (70, 34114), (74, 32270), (140, 17057), (148, 16135), (185, 12908), (259, 9220), (370, 6454), (461, 5180), (518, 4610), (740, 3227), (922, 2590), (1036, 2305), (1295, 1844)]