3405220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 8805888

約数和(自身を除く): 5400668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 1871, 3742, 7484, 9355, 13097, 18710, 24323, 26194, 37420, 48646, 52388, 65485, 97292, 121615, 130970, 170261, 243230, 261940, 340522, 486460, 681044, 851305, 1702610, 3405220]

約数ペア:

[(1, 3405220), (2, 1702610), (4, 851305), (5, 681044), (7, 486460), (10, 340522), (13, 261940), (14, 243230), (20, 170261), (26, 130970), (28, 121615), (35, 97292), (52, 65485), (65, 52388), (70, 48646), (91, 37420), (130, 26194), (140, 24323), (182, 18710), (260, 13097), (364, 9355), (455, 7484), (910, 3742), (1820, 1871)]