7840700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 20332032

約数和(自身を除く): 12491332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 487, 575, 644, 700, 805, 974, 1150, 1610, 1948, 2300, 2435, 3220, 3409, 4025, 4870, 6818, 8050, 9740, 11201, 12175, 13636, 16100, 17045, 22402, 24350, 34090, 44804, 48700, 56005, 68180, 78407, 85225, 112010, 156814, 170450, 224020, 280025, 313628, 340900, 392035, 560050, 784070, 1120100, 1568140, 1960175, 3920350, 7840700]

約数ペア:

[(1, 7840700), (2, 3920350), (4, 1960175), (5, 1568140), (7, 1120100), (10, 784070), (14, 560050), (20, 392035), (23, 340900), (25, 313628), (28, 280025), (35, 224020), (46, 170450), (50, 156814), (70, 112010), (92, 85225), (100, 78407), (115, 68180), (140, 56005), (161, 48700), (175, 44804), (230, 34090), (322, 24350), (350, 22402), (460, 17045), (487, 16100), (575, 13636), (644, 12175), (700, 11201), (805, 9740), (974, 8050), (1150, 6818), (1610, 4870), (1948, 4025), (2300, 3409), (2435, 3220)]