398271570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{428249}}^1$

素因数の和:428290

約数の個数: 32

約数和(自身を含む): 986688000

約数和(自身を除く): 588416430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 428249, 856498, 1284747, 2141245, 2569494, 4282490, 6423735, 12847470, 13275719, 26551438, 39827157, 66378595, 79654314, 132757190, 199135785, 398271570]

約数ペア:

[(1, 398271570), (2, 199135785), (3, 132757190), (5, 79654314), (6, 66378595), (10, 39827157), (15, 26551438), (30, 13275719), (31, 12847470), (62, 6423735), (93, 4282490), (155, 2569494), (186, 2141245), (310, 1284747), (465, 856498), (930, 428249)]