154874890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{2621}}^1$

素因数の和:2958

約数の個数: 32

約数和(自身を含む): 294503040

約数和(自身を除く): 139628150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 311, 622, 1555, 2621, 3110, 5242, 5909, 11818, 13105, 26210, 29545, 49799, 59090, 99598, 248995, 497990, 815131, 1630262, 4075655, 8151310, 15487489, 30974978, 77437445, 154874890]

約数ペア:

[(1, 154874890), (2, 77437445), (5, 30974978), (10, 15487489), (19, 8151310), (38, 4075655), (95, 1630262), (190, 815131), (311, 497990), (622, 248995), (1555, 99598), (2621, 59090), (3110, 49799), (5242, 29545), (5909, 26210), (11818, 13105)]