17490220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 23007188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 743, 1070, 1177, 1486, 2140, 2354, 2972, 3715, 4708, 5885, 7430, 8173, 11770, 14860, 16346, 23540, 32692, 40865, 79501, 81730, 159002, 163460, 318004, 397505, 795010, 874511, 1590020, 1749022, 3498044, 4372555, 8745110, 17490220]

約数ペア:

[(1, 17490220), (2, 8745110), (4, 4372555), (5, 3498044), (10, 1749022), (11, 1590020), (20, 874511), (22, 795010), (44, 397505), (55, 318004), (107, 163460), (110, 159002), (214, 81730), (220, 79501), (428, 40865), (535, 32692), (743, 23540), (1070, 16346), (1177, 14860), (1486, 11770), (2140, 8173), (2354, 7430), (2972, 5885), (3715, 4708)]