129760180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2099}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 298468800

約数和(自身を除く): 168708620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1405, 2099, 2810, 3091, 4198, 5620, 6182, 8396, 10495, 12364, 15455, 20990, 23089, 30910, 41980, 46178, 61820, 92356, 115445, 230890, 461780, 589819, 1179638, 2359276, 2949095, 5898190, 6488009, 11796380, 12976018, 25952036, 32440045, 64880090, 129760180]

約数ペア:

[(1, 129760180), (2, 64880090), (4, 32440045), (5, 25952036), (10, 12976018), (11, 11796380), (20, 6488009), (22, 5898190), (44, 2949095), (55, 2359276), (110, 1179638), (220, 589819), (281, 461780), (562, 230890), (1124, 115445), (1405, 92356), (2099, 61820), (2810, 46178), (3091, 41980), (4198, 30910), (5620, 23089), (6182, 20990), (8396, 15455), (10495, 12364)]