1289190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{877}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 3603312

約数和(自身を除く): 2314122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 877, 1470, 1754, 2631, 4385, 5262, 6139, 8770, 12278, 13155, 18417, 26310, 30695, 36834, 42973, 61390, 85946, 92085, 128919, 184170, 214865, 257838, 429730, 644595, 1289190]

約数ペア:

[(1, 1289190), (2, 644595), (3, 429730), (5, 257838), (6, 214865), (7, 184170), (10, 128919), (14, 92085), (15, 85946), (21, 61390), (30, 42973), (35, 36834), (42, 30695), (49, 26310), (70, 18417), (98, 13155), (105, 12278), (147, 8770), (210, 6139), (245, 5262), (294, 4385), (490, 2631), (735, 1754), (877, 1470)]