2928380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 7573440

約数和(自身を除く): 4645060

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, 1609, 1820, 3218, 6436, 8045, 11263, 16090, 20917, 22526, 32180, 41834, 45052, 56315, 83668, 104585, 112630, 146419, 209170, 225260, 292838, 418340, 585676, 732095, 1464190, 2928380]

約数ペア:

[(1, 2928380), (2, 1464190), (4, 732095), (5, 585676), (7, 418340), (10, 292838), (13, 225260), (14, 209170), (20, 146419), (26, 112630), (28, 104585), (35, 83668), (52, 56315), (65, 45052), (70, 41834), (91, 32180), (130, 22526), (140, 20917), (182, 16090), (260, 11263), (364, 8045), (455, 6436), (910, 3218), (1609, 1820)]