1387982220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{746227}}^1$

素因数の和:746270

約数の個数: 48

約数和(自身を含む): 4011721728

約数和(自身を除く): 2623739508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 746227, 1492454, 2238681, 2984908, 3731135, 4477362, 7462270, 8954724, 11193405, 14924540, 22386810, 23133037, 44773620, 46266074, 69399111, 92532148, 115665185, 138798222, 231330370, 277596444, 346995555, 462660740, 693991110, 1387982220]

約数ペア:

[(1, 1387982220), (2, 693991110), (3, 462660740), (4, 346995555), (5, 277596444), (6, 231330370), (10, 138798222), (12, 115665185), (15, 92532148), (20, 69399111), (30, 46266074), (31, 44773620), (60, 23133037), (62, 22386810), (93, 14924540), (124, 11193405), (155, 8954724), (186, 7462270), (310, 4477362), (372, 3731135), (465, 2984908), (620, 2238681), (930, 1492454), (1860, 746227)]