2885260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 7124544

約数和(自身を除く): 4239284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 557, 740, 1036, 1114, 1295, 2228, 2590, 2785, 3899, 5180, 5570, 7798, 11140, 15596, 19495, 20609, 38990, 41218, 77980, 82436, 103045, 144263, 206090, 288526, 412180, 577052, 721315, 1442630, 2885260]

約数ペア:

[(1, 2885260), (2, 1442630), (4, 721315), (5, 577052), (7, 412180), (10, 288526), (14, 206090), (20, 144263), (28, 103045), (35, 82436), (37, 77980), (70, 41218), (74, 38990), (140, 20609), (148, 19495), (185, 15596), (259, 11140), (370, 7798), (518, 5570), (557, 5180), (740, 3899), (1036, 2785), (1114, 2590), (1295, 2228)]