79709140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1321}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 191890944

約数和(自身を除く): 112181804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1321, 1724, 2155, 2642, 3017, 4310, 5284, 6034, 6605, 8620, 9247, 12068, 13210, 15085, 18494, 26420, 30170, 36988, 46235, 60340, 92470, 184940, 569351, 1138702, 2277404, 2846755, 3985457, 5693510, 7970914, 11387020, 15941828, 19927285, 39854570, 79709140]

約数ペア:

[(1, 79709140), (2, 39854570), (4, 19927285), (5, 15941828), (7, 11387020), (10, 7970914), (14, 5693510), (20, 3985457), (28, 2846755), (35, 2277404), (70, 1138702), (140, 569351), (431, 184940), (862, 92470), (1321, 60340), (1724, 46235), (2155, 36988), (2642, 30170), (3017, 26420), (4310, 18494), (5284, 15085), (6034, 13210), (6605, 12068), (8620, 9247)]