621569020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{32957}}^1$

素因数の和:33030

約数の個数: 48

約数和(自身を含む): 1395309888

約数和(自身を除く): 773740868

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 18860, 32957, 65914, 131828, 164785, 329570, 659140, 758011, 1351237, 1516022, 2702474, 3032044, 3790055, 5404948, 6756185, 7580110, 13512370, 15160220, 27024740, 31078451, 62156902, 124313804, 155392255, 310784510, 621569020]

約数ペア:

[(1, 621569020), (2, 310784510), (4, 155392255), (5, 124313804), (10, 62156902), (20, 31078451), (23, 27024740), (41, 15160220), (46, 13512370), (82, 7580110), (92, 6756185), (115, 5404948), (164, 3790055), (205, 3032044), (230, 2702474), (410, 1516022), (460, 1351237), (820, 758011), (943, 659140), (1886, 329570), (3772, 164785), (4715, 131828), (9430, 65914), (18860, 32957)]