388810370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{96479}}^1$

素因数の和:96530

約数の個数: 32

約数和(自身を含む): 778014720

約数和(自身を除く): 389204350

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 96479, 192958, 482395, 964790, 1254227, 2508454, 2990849, 5981698, 6271135, 12542270, 14954245, 29908490, 38881037, 77762074, 194405185, 388810370]

約数ペア:

[(1, 388810370), (2, 194405185), (5, 77762074), (10, 38881037), (13, 29908490), (26, 14954245), (31, 12542270), (62, 6271135), (65, 5981698), (130, 2990849), (155, 2508454), (310, 1254227), (403, 964790), (806, 482395), (2015, 192958), (4030, 96479)]