214857560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{315967}}^1$

素因数の和:315995

約数の個数: 32

約数和(自身を含む): 511868160

約数和(自身を除く): 297010600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 315967, 631934, 1263868, 1579835, 2527736, 3159670, 5371439, 6319340, 10742878, 12638680, 21485756, 26857195, 42971512, 53714390, 107428780, 214857560]

約数ペア:

[(1, 214857560), (2, 107428780), (4, 53714390), (5, 42971512), (8, 26857195), (10, 21485756), (17, 12638680), (20, 10742878), (34, 6319340), (40, 5371439), (68, 3159670), (85, 2527736), (136, 1579835), (170, 1263868), (340, 631934), (680, 315967)]