30211748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 64310400

約数和(自身を除く): 34098652

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 436, 521, 532, 763, 1042, 1526, 2071, 2084, 3052, 3647, 4142, 7294, 8284, 9899, 14497, 14588, 19798, 28994, 39596, 56789, 57988, 69293, 113578, 138586, 227156, 277172, 397523, 795046, 1078991, 1590092, 2157982, 4315964, 7552937, 15105874, 30211748]

約数ペア:

[(1, 30211748), (2, 15105874), (4, 7552937), (7, 4315964), (14, 2157982), (19, 1590092), (28, 1078991), (38, 795046), (76, 397523), (109, 277172), (133, 227156), (218, 138586), (266, 113578), (436, 69293), (521, 57988), (532, 56789), (763, 39596), (1042, 28994), (1526, 19798), (2071, 14588), (2084, 14497), (3052, 9899), (3647, 8284), (4142, 7294)]