208029020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3301}}^1$

素因数の和:3470

約数の個数: 48

約数和(自身を含む): 459321408

約数和(自身を除く): 251292388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 548, 685, 1370, 2740, 3151, 3301, 6302, 6602, 12604, 13204, 15755, 16505, 31510, 33010, 63020, 66020, 75923, 151846, 303692, 379615, 452237, 759230, 904474, 1518460, 1808948, 2261185, 4522370, 9044740, 10401451, 20802902, 41605804, 52007255, 104014510, 208029020]

約数ペア:

[(1, 208029020), (2, 104014510), (4, 52007255), (5, 41605804), (10, 20802902), (20, 10401451), (23, 9044740), (46, 4522370), (92, 2261185), (115, 1808948), (137, 1518460), (230, 904474), (274, 759230), (460, 452237), (548, 379615), (685, 303692), (1370, 151846), (2740, 75923), (3151, 66020), (3301, 63020), (6302, 33010), (6602, 31510), (12604, 16505), (13204, 15755)]