77890310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3761}}^1$

素因数の和:3896

約数の個数: 32

約数和(自身を含む): 148975200

約数和(自身を除く): 71084890

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 3761, 4142, 7522, 10355, 18805, 20710, 37610, 71459, 142918, 357295, 409949, 714590, 819898, 2049745, 4099490, 7789031, 15578062, 38945155, 77890310]

約数ペア:

[(1, 77890310), (2, 38945155), (5, 15578062), (10, 7789031), (19, 4099490), (38, 2049745), (95, 819898), (109, 714590), (190, 409949), (218, 357295), (545, 142918), (1090, 71459), (2071, 37610), (3761, 20710), (4142, 18805), (7522, 10355)]