2631790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 5688144

約数和(自身を除く): 3056354

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 131, 205, 245, 262, 287, 410, 490, 574, 655, 917, 1310, 1435, 1834, 2009, 2870, 4018, 4585, 5371, 6419, 9170, 10045, 10742, 12838, 20090, 26855, 32095, 37597, 53710, 64190, 75194, 187985, 263179, 375970, 526358, 1315895, 2631790]

約数ペア:

[(1, 2631790), (2, 1315895), (5, 526358), (7, 375970), (10, 263179), (14, 187985), (35, 75194), (41, 64190), (49, 53710), (70, 37597), (82, 32095), (98, 26855), (131, 20090), (205, 12838), (245, 10742), (262, 10045), (287, 9170), (410, 6419), (490, 5371), (574, 4585), (655, 4018), (917, 2870), (1310, 2009), (1435, 1834)]