2751580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 6562080

約数和(自身を除く): 3810500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 557, 988, 1114, 1235, 2228, 2470, 2785, 4940, 5570, 7241, 10583, 11140, 14482, 21166, 28964, 36205, 42332, 52915, 72410, 105830, 137579, 144820, 211660, 275158, 550316, 687895, 1375790, 2751580]

約数ペア:

[(1, 2751580), (2, 1375790), (4, 687895), (5, 550316), (10, 275158), (13, 211660), (19, 144820), (20, 137579), (26, 105830), (38, 72410), (52, 52915), (65, 42332), (76, 36205), (95, 28964), (130, 21166), (190, 14482), (247, 11140), (260, 10583), (380, 7241), (494, 5570), (557, 4940), (988, 2785), (1114, 2470), (1235, 2228)]