139165040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{248509}}^1$

素因数の和:248529

約数の個数: 40

約数和(自身を含む): 369782880

約数和(自身を除く): 230617840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 248509, 497018, 994036, 1242545, 1739563, 1988072, 2485090, 3479126, 3976144, 4970180, 6958252, 8697815, 9940360, 13916504, 17395630, 19880720, 27833008, 34791260, 69582520, 139165040]

約数ペア:

[(1, 139165040), (2, 69582520), (4, 34791260), (5, 27833008), (7, 19880720), (8, 17395630), (10, 13916504), (14, 9940360), (16, 8697815), (20, 6958252), (28, 4970180), (35, 3976144), (40, 3479126), (56, 2485090), (70, 1988072), (80, 1739563), (112, 1242545), (140, 994036), (280, 497018), (560, 248509)]