209301780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21401}}^1$

素因数の和:21576

約数の個数: 48

約数和(自身を含む): 589667904

約数和(自身を除く): 380366124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 21401, 42802, 64203, 85604, 107005, 128406, 214010, 256812, 321015, 428020, 642030, 1284060, 3488363, 6976726, 10465089, 13953452, 17441815, 20930178, 34883630, 41860356, 52325445, 69767260, 104650890, 209301780]

約数ペア:

[(1, 209301780), (2, 104650890), (3, 69767260), (4, 52325445), (5, 41860356), (6, 34883630), (10, 20930178), (12, 17441815), (15, 13953452), (20, 10465089), (30, 6976726), (60, 3488363), (163, 1284060), (326, 642030), (489, 428020), (652, 321015), (815, 256812), (978, 214010), (1630, 128406), (1956, 107005), (2445, 85604), (3260, 64203), (4890, 42802), (9780, 21401)]