1288995770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{62603}}^1$

素因数の和:62710

約数の個数: 32

約数和(自身を含む): 2434043520

約数和(自身を除く): 1145047750

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 4118, 10295, 20590, 62603, 125206, 313015, 626030, 1815487, 3630974, 4444813, 8889626, 9077435, 18154870, 22224065, 44448130, 128899577, 257799154, 644497885, 1288995770]

約数ペア:

[(1, 1288995770), (2, 644497885), (5, 257799154), (10, 128899577), (29, 44448130), (58, 22224065), (71, 18154870), (142, 9077435), (145, 8889626), (290, 4444813), (355, 3630974), (710, 1815487), (2059, 626030), (4118, 313015), (10295, 125206), (20590, 62603)]