208871410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{3257}}^1$

素因数の和:3339

約数の個数: 48

約数和(自身を含む): 421181208

約数和(自身を除く): 212309798

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 121, 242, 265, 530, 583, 605, 1166, 1210, 2915, 3257, 5830, 6413, 6514, 12826, 16285, 32065, 32570, 35827, 64130, 71654, 172621, 179135, 345242, 358270, 394097, 788194, 863105, 1726210, 1898831, 1970485, 3797662, 3940970, 9494155, 18988310, 20887141, 41774282, 104435705, 208871410]

約数ペア:

[(1, 208871410), (2, 104435705), (5, 41774282), (10, 20887141), (11, 18988310), (22, 9494155), (53, 3940970), (55, 3797662), (106, 1970485), (110, 1898831), (121, 1726210), (242, 863105), (265, 788194), (530, 394097), (583, 358270), (605, 345242), (1166, 179135), (1210, 172621), (2915, 71654), (3257, 64130), (5830, 35827), (6413, 32570), (6514, 32065), (12826, 16285)]