197172460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1321}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 439750080

約数和(自身を除く): 242577620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1321, 1756, 2195, 2642, 4390, 5284, 6605, 7463, 8780, 13210, 14926, 22457, 26420, 29852, 37315, 44914, 74630, 89828, 112285, 149260, 224570, 449140, 579919, 1159838, 2319676, 2899595, 5799190, 9858623, 11598380, 19717246, 39434492, 49293115, 98586230, 197172460]

約数ペア:

[(1, 197172460), (2, 98586230), (4, 49293115), (5, 39434492), (10, 19717246), (17, 11598380), (20, 9858623), (34, 5799190), (68, 2899595), (85, 2319676), (170, 1159838), (340, 579919), (439, 449140), (878, 224570), (1321, 149260), (1756, 112285), (2195, 89828), (2642, 74630), (4390, 44914), (5284, 37315), (6605, 29852), (7463, 26420), (8780, 22457), (13210, 14926)]