1309185520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{109831}}^1$

素因数の和:109993

約数の個数: 40

約数和(自身を含む): 3064312800

約数和(自身を除く): 1755127280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 109831, 219662, 439324, 549155, 878648, 1098310, 1757296, 2196620, 4393240, 8786480, 16364819, 32729638, 65459276, 81824095, 130918552, 163648190, 261837104, 327296380, 654592760, 1309185520]

約数ペア:

[(1, 1309185520), (2, 654592760), (4, 327296380), (5, 261837104), (8, 163648190), (10, 130918552), (16, 81824095), (20, 65459276), (40, 32729638), (80, 16364819), (149, 8786480), (298, 4393240), (596, 2196620), (745, 1757296), (1192, 1098310), (1490, 878648), (2384, 549155), (2980, 439324), (5960, 219662), (11920, 109831)]