685985140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{3803}}^1$

素因数の和:4152

約数の個数: 48

約数和(自身を含む): 1495428480

約数和(自身を除く): 809443340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 311, 580, 622, 1244, 1555, 3110, 3803, 6220, 7606, 9019, 15212, 18038, 19015, 36076, 38030, 45095, 76060, 90190, 110287, 180380, 220574, 441148, 551435, 1102870, 1182733, 2205740, 2365466, 4730932, 5913665, 11827330, 23654660, 34299257, 68598514, 137197028, 171496285, 342992570, 685985140]

約数ペア:

[(1, 685985140), (2, 342992570), (4, 171496285), (5, 137197028), (10, 68598514), (20, 34299257), (29, 23654660), (58, 11827330), (116, 5913665), (145, 4730932), (290, 2365466), (311, 2205740), (580, 1182733), (622, 1102870), (1244, 551435), (1555, 441148), (3110, 220574), (3803, 180380), (6220, 110287), (7606, 90190), (9019, 76060), (15212, 45095), (18038, 38030), (19015, 36076)]