427490690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1667

約数の個数: 64

約数和(自身を含む): 890663040

約数和(自身を除く): 463172350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 137, 190, 209, 274, 418, 685, 1045, 1370, 1493, 1507, 2090, 2603, 2986, 3014, 5206, 7465, 7535, 13015, 14930, 15070, 16423, 26030, 28367, 28633, 32846, 56734, 57266, 82115, 141835, 143165, 164230, 204541, 283670, 286330, 312037, 409082, 624074, 1022705, 1560185, 2045410, 2249951, 3120370, 3886279, 4499902, 7772558, 11249755, 19431395, 22499510, 38862790, 42749069, 85498138, 213745345, 427490690]

約数ペア:

[(1, 427490690), (2, 213745345), (5, 85498138), (10, 42749069), (11, 38862790), (19, 22499510), (22, 19431395), (38, 11249755), (55, 7772558), (95, 4499902), (110, 3886279), (137, 3120370), (190, 2249951), (209, 2045410), (274, 1560185), (418, 1022705), (685, 624074), (1045, 409082), (1370, 312037), (1493, 286330), (1507, 283670), (2090, 204541), (2603, 164230), (2986, 143165), (3014, 141835), (5206, 82115), (7465, 57266), (7535, 56734), (13015, 32846), (14930, 28633), (15070, 28367), (16423, 26030)]