290391990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1382819}}^1$

素因数の和:1382836

約数の個数: 32

約数和(自身を含む): 796504320

約数和(自身を除く): 506112330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1382819, 2765638, 4148457, 6914095, 8296914, 9679733, 13828190, 19359466, 20742285, 29039199, 41484570, 48398665, 58078398, 96797330, 145195995, 290391990]

約数ペア:

[(1, 290391990), (2, 145195995), (3, 96797330), (5, 58078398), (6, 48398665), (7, 41484570), (10, 29039199), (14, 20742285), (15, 19359466), (21, 13828190), (30, 9679733), (35, 8296914), (42, 6914095), (70, 4148457), (105, 2765638), (210, 1382819)]