1490806180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{4903}}^1$

素因数の和:5596

約数の個数: 48

約数和(自身を含む): 3272419584

約数和(自身を除く): 1781613404

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 661, 1322, 2644, 3305, 4903, 6610, 9806, 13220, 15203, 19612, 24515, 30406, 49030, 60812, 76015, 98060, 112769, 152030, 225538, 304060, 451076, 563845, 1127690, 2255380, 3240883, 6481766, 12963532, 16204415, 32408830, 64817660, 74540309, 149080618, 298161236, 372701545, 745403090, 1490806180]

約数ペア:

[(1, 1490806180), (2, 745403090), (4, 372701545), (5, 298161236), (10, 149080618), (20, 74540309), (23, 64817660), (46, 32408830), (92, 16204415), (115, 12963532), (230, 6481766), (460, 3240883), (661, 2255380), (1322, 1127690), (2644, 563845), (3305, 451076), (4903, 304060), (6610, 225538), (9806, 152030), (13220, 112769), (15203, 98060), (19612, 76015), (24515, 60812), (30406, 49030)]