8443220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 19776960

約数和(自身を除く): 11333740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1307, 1615, 2614, 3230, 5228, 6460, 6535, 13070, 22219, 24833, 26140, 44438, 49666, 88876, 99332, 111095, 124165, 222190, 248330, 422161, 444380, 496660, 844322, 1688644, 2110805, 4221610, 8443220]

約数ペア:

[(1, 8443220), (2, 4221610), (4, 2110805), (5, 1688644), (10, 844322), (17, 496660), (19, 444380), (20, 422161), (34, 248330), (38, 222190), (68, 124165), (76, 111095), (85, 99332), (95, 88876), (170, 49666), (190, 44438), (323, 26140), (340, 24833), (380, 22219), (646, 13070), (1292, 6535), (1307, 6460), (1615, 5228), (2614, 3230)]