2897570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 2908510

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 719, 806, 1438, 2015, 3595, 4030, 7190, 9347, 18694, 22289, 44578, 46735, 93470, 111445, 222890, 289757, 579514, 1448785, 2897570]

約数ペア:

[(1, 2897570), (2, 1448785), (5, 579514), (10, 289757), (13, 222890), (26, 111445), (31, 93470), (62, 46735), (65, 44578), (130, 22289), (155, 18694), (310, 9347), (403, 7190), (719, 4030), (806, 3595), (1438, 2015)]