997020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 3144960

約数和(自身を除く): 2147940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 191, 261, 290, 348, 382, 435, 522, 573, 580, 764, 870, 955, 1044, 1146, 1305, 1719, 1740, 1910, 2292, 2610, 2865, 3438, 3820, 5220, 5539, 5730, 6876, 8595, 11078, 11460, 16617, 17190, 22156, 27695, 33234, 34380, 49851, 55390, 66468, 83085, 99702, 110780, 166170, 199404, 249255, 332340, 498510, 997020]

約数ペア:

[(1, 997020), (2, 498510), (3, 332340), (4, 249255), (5, 199404), (6, 166170), (9, 110780), (10, 99702), (12, 83085), (15, 66468), (18, 55390), (20, 49851), (29, 34380), (30, 33234), (36, 27695), (45, 22156), (58, 17190), (60, 16617), (87, 11460), (90, 11078), (116, 8595), (145, 6876), (174, 5730), (180, 5539), (191, 5220), (261, 3820), (290, 3438), (348, 2865), (382, 2610), (435, 2292), (522, 1910), (573, 1740), (580, 1719), (764, 1305), (870, 1146), (955, 1044)]