243935860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{1321}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 586333440

約数和(自身を除く): 342397580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1319, 1321, 2638, 2642, 5276, 5284, 6595, 6605, 9233, 9247, 13190, 13210, 18466, 18494, 26380, 26420, 36932, 36988, 46165, 46235, 92330, 92470, 184660, 184940, 1742399, 3484798, 6969596, 8711995, 12196793, 17423990, 24393586, 34847980, 48787172, 60983965, 121967930, 243935860]

約数ペア:

[(1, 243935860), (2, 121967930), (4, 60983965), (5, 48787172), (7, 34847980), (10, 24393586), (14, 17423990), (20, 12196793), (28, 8711995), (35, 6969596), (70, 3484798), (140, 1742399), (1319, 184940), (1321, 184660), (2638, 92470), (2642, 92330), (5276, 46235), (5284, 46165), (6595, 36988), (6605, 36932), (9233, 26420), (9247, 26380), (13190, 18494), (13210, 18466)]