321006875

素因数分解:

$5^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 461852160

約数和(自身を除く): 140845285

約数列:

[1, 5, 7, 25, 35, 125, 175, 239, 307, 625, 875, 1195, 1535, 1673, 2149, 4375, 5975, 7675, 8365, 10745, 29875, 38375, 41825, 53725, 73373, 149375, 191875, 209125, 268625, 366865, 513611, 1045625, 1343125, 1834325, 2568055, 9171625, 12840275, 45858125, 64201375, 321006875]

約数ペア:

[(1, 321006875), (5, 64201375), (7, 45858125), (25, 12840275), (35, 9171625), (125, 2568055), (175, 1834325), (239, 1343125), (307, 1045625), (625, 513611), (875, 366865), (1195, 268625), (1535, 209125), (1673, 191875), (2149, 149375), (4375, 73373), (5975, 53725), (7675, 41825), (8365, 38375), (10745, 29875)]