388580660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1393

約数の個数: 96

約数和(自身を含む): 932370432

約数和(自身を除く): 543789772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 37, 52, 62, 65, 74, 124, 130, 148, 155, 185, 260, 310, 370, 403, 481, 620, 740, 806, 962, 1147, 1303, 1612, 1924, 2015, 2294, 2405, 2606, 4030, 4588, 4810, 5212, 5735, 6515, 8060, 9620, 11470, 13030, 14911, 16939, 22940, 26060, 29822, 33878, 40393, 48211, 59644, 67756, 74555, 80786, 84695, 96422, 149110, 161572, 169390, 192844, 201965, 241055, 298220, 338780, 403930, 482110, 525109, 626743, 807860, 964220, 1050218, 1253486, 1494541, 2100436, 2506972, 2625545, 2989082, 3133715, 5251090, 5978164, 6267430, 7472705, 10502180, 12534860, 14945410, 19429033, 29890820, 38858066, 77716132, 97145165, 194290330, 388580660]

約数ペア:

[(1, 388580660), (2, 194290330), (4, 97145165), (5, 77716132), (10, 38858066), (13, 29890820), (20, 19429033), (26, 14945410), (31, 12534860), (37, 10502180), (52, 7472705), (62, 6267430), (65, 5978164), (74, 5251090), (124, 3133715), (130, 2989082), (148, 2625545), (155, 2506972), (185, 2100436), (260, 1494541), (310, 1253486), (370, 1050218), (403, 964220), (481, 807860), (620, 626743), (740, 525109), (806, 482110), (962, 403930), (1147, 338780), (1303, 298220), (1612, 241055), (1924, 201965), (2015, 192844), (2294, 169390), (2405, 161572), (2606, 149110), (4030, 96422), (4588, 84695), (4810, 80786), (5212, 74555), (5735, 67756), (6515, 59644), (8060, 48211), (9620, 40393), (11470, 33878), (13030, 29822), (14911, 26060), (16939, 22940)]