17997220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 22984028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1231, 1462, 2462, 2924, 3655, 4924, 6155, 7310, 12310, 14620, 20927, 24620, 41854, 52933, 83708, 104635, 105866, 209270, 211732, 264665, 418540, 529330, 899861, 1058660, 1799722, 3599444, 4499305, 8998610, 17997220]

約数ペア:

[(1, 17997220), (2, 8998610), (4, 4499305), (5, 3599444), (10, 1799722), (17, 1058660), (20, 899861), (34, 529330), (43, 418540), (68, 264665), (85, 211732), (86, 209270), (170, 105866), (172, 104635), (215, 83708), (340, 52933), (430, 41854), (731, 24620), (860, 20927), (1231, 14620), (1462, 12310), (2462, 7310), (2924, 6155), (3655, 4924)]