29890820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 66597888

約数和(自身を除く): 36707068

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 1303, 2294, 2606, 4588, 5212, 5735, 6515, 11470, 13030, 22940, 26060, 40393, 48211, 80786, 96422, 161572, 192844, 201965, 241055, 403930, 482110, 807860, 964220, 1494541, 2989082, 5978164, 7472705, 14945410, 29890820]

約数ペア:

[(1, 29890820), (2, 14945410), (4, 7472705), (5, 5978164), (10, 2989082), (20, 1494541), (31, 964220), (37, 807860), (62, 482110), (74, 403930), (124, 241055), (148, 201965), (155, 192844), (185, 161572), (310, 96422), (370, 80786), (620, 48211), (740, 40393), (1147, 26060), (1303, 22940), (2294, 13030), (2606, 11470), (4588, 6515), (5212, 5735)]