209702960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113969}}^1$

素因数の和:114005

約数の個数: 40

約数和(自身を含む): 508762080

約数和(自身を除く): 299059120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 113969, 227938, 455876, 569845, 911752, 1139690, 1823504, 2279380, 2621287, 4558760, 5242574, 9117520, 10485148, 13106435, 20970296, 26212870, 41940592, 52425740, 104851480, 209702960]

約数ペア:

[(1, 209702960), (2, 104851480), (4, 52425740), (5, 41940592), (8, 26212870), (10, 20970296), (16, 13106435), (20, 10485148), (23, 9117520), (40, 5242574), (46, 4558760), (80, 2621287), (92, 2279380), (115, 1823504), (184, 1139690), (230, 911752), (368, 569845), (460, 455876), (920, 227938), (1840, 113969)]