18663400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13331}}^1$

素因数の和:13354

約数の個数: 48

約数和(自身を含む): 49595040

約数和(自身を除く): 30931640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 13331, 26662, 53324, 66655, 93317, 106648, 133310, 186634, 266620, 333275, 373268, 466585, 533240, 666550, 746536, 933170, 1333100, 1866340, 2332925, 2666200, 3732680, 4665850, 9331700, 18663400]

約数ペア:

[(1, 18663400), (2, 9331700), (4, 4665850), (5, 3732680), (7, 2666200), (8, 2332925), (10, 1866340), (14, 1333100), (20, 933170), (25, 746536), (28, 666550), (35, 533240), (40, 466585), (50, 373268), (56, 333275), (70, 266620), (100, 186634), (140, 133310), (175, 106648), (200, 93317), (280, 66655), (350, 53324), (700, 26662), (1400, 13331)]