28494380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 64864800

約数和(自身を除く): 36370420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 1949, 2924, 3655, 3898, 7310, 7796, 9745, 14620, 19490, 33133, 38980, 66266, 83807, 132532, 165665, 167614, 331330, 335228, 419035, 662660, 838070, 1424719, 1676140, 2849438, 5698876, 7123595, 14247190, 28494380]

約数ペア:

[(1, 28494380), (2, 14247190), (4, 7123595), (5, 5698876), (10, 2849438), (17, 1676140), (20, 1424719), (34, 838070), (43, 662660), (68, 419035), (85, 335228), (86, 331330), (170, 167614), (172, 165665), (215, 132532), (340, 83807), (430, 66266), (731, 38980), (860, 33133), (1462, 19490), (1949, 14620), (2924, 9745), (3655, 7796), (3898, 7310)]