785722780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1\times {\mathrm{1439}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 1724405760

約数和(自身を除く): 938682980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1187, 1439, 2374, 2878, 4748, 5756, 5935, 7195, 11870, 14390, 23740, 27301, 28780, 33097, 54602, 66194, 109204, 132388, 136505, 165485, 273010, 330970, 546020, 661940, 1708093, 3416186, 6832372, 8540465, 17080930, 34161860, 39286139, 78572278, 157144556, 196430695, 392861390, 785722780]

約数ペア:

[(1, 785722780), (2, 392861390), (4, 196430695), (5, 157144556), (10, 78572278), (20, 39286139), (23, 34161860), (46, 17080930), (92, 8540465), (115, 6832372), (230, 3416186), (460, 1708093), (1187, 661940), (1439, 546020), (2374, 330970), (2878, 273010), (4748, 165485), (5756, 136505), (5935, 132388), (7195, 109204), (11870, 66194), (14390, 54602), (23740, 33097), (27301, 28780)]