2909380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 6652800

約数和(自身を除く): 3743420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 199, 215, 340, 398, 430, 731, 796, 860, 995, 1462, 1990, 2924, 3383, 3655, 3980, 6766, 7310, 8557, 13532, 14620, 16915, 17114, 33830, 34228, 42785, 67660, 85570, 145469, 171140, 290938, 581876, 727345, 1454690, 2909380]

約数ペア:

[(1, 2909380), (2, 1454690), (4, 727345), (5, 581876), (10, 290938), (17, 171140), (20, 145469), (34, 85570), (43, 67660), (68, 42785), (85, 34228), (86, 33830), (170, 17114), (172, 16915), (199, 14620), (215, 13532), (340, 8557), (398, 7310), (430, 6766), (731, 3980), (796, 3655), (860, 3383), (995, 2924), (1462, 1990)]