87980780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8923}}^1$

素因数の和:8978

約数の個数: 48

約数和(自身を含む): 202396320

約数和(自身を除く): 114415540

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 8923, 9860, 17846, 35692, 44615, 89230, 151691, 178460, 258767, 303382, 517534, 606764, 758455, 1035068, 1293835, 1516910, 2587670, 3033820, 4399039, 5175340, 8798078, 17596156, 21995195, 43990390, 87980780]

約数ペア:

[(1, 87980780), (2, 43990390), (4, 21995195), (5, 17596156), (10, 8798078), (17, 5175340), (20, 4399039), (29, 3033820), (34, 2587670), (58, 1516910), (68, 1293835), (85, 1035068), (116, 758455), (145, 606764), (170, 517534), (290, 303382), (340, 258767), (493, 178460), (580, 151691), (986, 89230), (1972, 44615), (2465, 35692), (4930, 17846), (8923, 9860)]