311918740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{2161}}^1$

素因数の和:3208

約数の個数: 48

約数和(自身を含む): 749677824

約数和(自身を除く): 437759084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1031, 2062, 2161, 4124, 4322, 5155, 7217, 8644, 10310, 10805, 14434, 15127, 20620, 21610, 28868, 30254, 36085, 43220, 60508, 72170, 75635, 144340, 151270, 302540, 2227991, 4455982, 8911964, 11139955, 15595937, 22279910, 31191874, 44559820, 62383748, 77979685, 155959370, 311918740]

約数ペア:

[(1, 311918740), (2, 155959370), (4, 77979685), (5, 62383748), (7, 44559820), (10, 31191874), (14, 22279910), (20, 15595937), (28, 11139955), (35, 8911964), (70, 4455982), (140, 2227991), (1031, 302540), (2062, 151270), (2161, 144340), (4124, 75635), (4322, 72170), (5155, 60508), (7217, 43220), (8644, 36085), (10310, 30254), (10805, 28868), (14434, 21610), (15127, 20620)]