31738280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16193}}^1$

素因数の和:16218

約数の個数: 48

約数和(自身を含む): 83075220

約数和(自身を除く): 51336940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16193, 32386, 64772, 80965, 113351, 129544, 161930, 226702, 323860, 453404, 566755, 647720, 793457, 906808, 1133510, 1586914, 2267020, 3173828, 3967285, 4534040, 6347656, 7934570, 15869140, 31738280]

約数ペア:

[(1, 31738280), (2, 15869140), (4, 7934570), (5, 6347656), (7, 4534040), (8, 3967285), (10, 3173828), (14, 2267020), (20, 1586914), (28, 1133510), (35, 906808), (40, 793457), (49, 647720), (56, 566755), (70, 453404), (98, 323860), (140, 226702), (196, 161930), (245, 129544), (280, 113351), (392, 80965), (490, 64772), (980, 32386), (1960, 16193)]