4920289940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307903}}^1$

素因数の和:307976

約数の個数: 48

約数和(自身を含む): 11173220352

約数和(自身を除く): 6252930412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 307903, 615806, 1231612, 1539515, 3079030, 5234351, 6158060, 10468702, 14471441, 20937404, 26171755, 28942882, 52343510, 57885764, 72357205, 104687020, 144714410, 246014497, 289428820, 492028994, 984057988, 1230072485, 2460144970, 4920289940]

約数ペア:

[(1, 4920289940), (2, 2460144970), (4, 1230072485), (5, 984057988), (10, 492028994), (17, 289428820), (20, 246014497), (34, 144714410), (47, 104687020), (68, 72357205), (85, 57885764), (94, 52343510), (170, 28942882), (188, 26171755), (235, 20937404), (340, 14471441), (470, 10468702), (799, 6158060), (940, 5234351), (1598, 3079030), (3196, 1539515), (3995, 1231612), (7990, 615806), (15980, 307903)]