31427020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 68544000

約数和(自身を除く): 37116980

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 235, 268, 335, 470, 499, 670, 940, 998, 1340, 1996, 2495, 3149, 4990, 6298, 9980, 12596, 15745, 23453, 31490, 33433, 46906, 62980, 66866, 93812, 117265, 133732, 167165, 234530, 334330, 469060, 668660, 1571351, 3142702, 6285404, 7856755, 15713510, 31427020]

約数ペア:

[(1, 31427020), (2, 15713510), (4, 7856755), (5, 6285404), (10, 3142702), (20, 1571351), (47, 668660), (67, 469060), (94, 334330), (134, 234530), (188, 167165), (235, 133732), (268, 117265), (335, 93812), (470, 66866), (499, 62980), (670, 46906), (940, 33433), (998, 31490), (1340, 23453), (1996, 15745), (2495, 12596), (3149, 9980), (4990, 6298)]