997900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:618

約数の個数: 36

約数和(自身を含む): 2296728

約数和(自身を除く): 1298828

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 587, 850, 1174, 1700, 2348, 2935, 5870, 9979, 11740, 14675, 19958, 29350, 39916, 49895, 58700, 99790, 199580, 249475, 498950, 997900]

約数ペア:

[(1, 997900), (2, 498950), (4, 249475), (5, 199580), (10, 99790), (17, 58700), (20, 49895), (25, 39916), (34, 29350), (50, 19958), (68, 14675), (85, 11740), (100, 9979), (170, 5870), (340, 2935), (425, 2348), (587, 1700), (850, 1174)]