30980470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 59971968

約数和(自身を除く): 28991498

約数列:

[1, 2, 5, 10, 31, 37, 62, 73, 74, 146, 155, 185, 310, 365, 370, 730, 1147, 1369, 2263, 2294, 2701, 2738, 4526, 5402, 5735, 6845, 11315, 11470, 13505, 13690, 22630, 27010, 42439, 83731, 84878, 99937, 167462, 199874, 212195, 418655, 424390, 499685, 837310, 999370, 3098047, 6196094, 15490235, 30980470]

約数ペア:

[(1, 30980470), (2, 15490235), (5, 6196094), (10, 3098047), (31, 999370), (37, 837310), (62, 499685), (73, 424390), (74, 418655), (146, 212195), (155, 199874), (185, 167462), (310, 99937), (365, 84878), (370, 83731), (730, 42439), (1147, 27010), (1369, 22630), (2263, 13690), (2294, 13505), (2701, 11470), (2738, 11315), (4526, 6845), (5402, 5735)]