299002220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{31607}}^1$

素因数の和:31670

約数の個数: 48

約数和(自身を含む): 700939008

約数和(自身を除く): 401936788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 31607, 63214, 126428, 158035, 316070, 347677, 632140, 695354, 1359101, 1390708, 1738385, 2718202, 3476770, 5436404, 6795505, 6953540, 13591010, 14950111, 27182020, 29900222, 59800444, 74750555, 149501110, 299002220]

約数ペア:

[(1, 299002220), (2, 149501110), (4, 74750555), (5, 59800444), (10, 29900222), (11, 27182020), (20, 14950111), (22, 13591010), (43, 6953540), (44, 6795505), (55, 5436404), (86, 3476770), (110, 2718202), (172, 1738385), (215, 1390708), (220, 1359101), (430, 695354), (473, 632140), (860, 347677), (946, 316070), (1892, 158035), (2365, 126428), (4730, 63214), (9460, 31607)]