217099760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{117989}}^1$

素因数の和:118025

約数の個数: 40

約数和(自身を含む): 526707360

約数和(自身を除く): 309607600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 117989, 235978, 471956, 589945, 943912, 1179890, 1887824, 2359780, 2713747, 4719560, 5427494, 9439120, 10854988, 13568735, 21709976, 27137470, 43419952, 54274940, 108549880, 217099760]

約数ペア:

[(1, 217099760), (2, 108549880), (4, 54274940), (5, 43419952), (8, 27137470), (10, 21709976), (16, 13568735), (20, 10854988), (23, 9439120), (40, 5427494), (46, 4719560), (80, 2713747), (92, 2359780), (115, 1887824), (184, 1179890), (230, 943912), (368, 589945), (460, 471956), (920, 235978), (1840, 117989)]