866020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 1995840

約数和(自身を除く): 1129820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 53, 76, 86, 95, 106, 172, 190, 212, 215, 265, 380, 430, 530, 817, 860, 1007, 1060, 1634, 2014, 2279, 3268, 4028, 4085, 4558, 5035, 8170, 9116, 10070, 11395, 16340, 20140, 22790, 43301, 45580, 86602, 173204, 216505, 433010, 866020]

約数ペア:

[(1, 866020), (2, 433010), (4, 216505), (5, 173204), (10, 86602), (19, 45580), (20, 43301), (38, 22790), (43, 20140), (53, 16340), (76, 11395), (86, 10070), (95, 9116), (106, 8170), (172, 5035), (190, 4558), (212, 4085), (215, 4028), (265, 3268), (380, 2279), (430, 2014), (530, 1634), (817, 1060), (860, 1007)]