28018110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 71000064

約数和(自身を除く): 42981954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 465, 470, 641, 705, 930, 1282, 1410, 1457, 1923, 2914, 3205, 3846, 4371, 6410, 7285, 8742, 9615, 14570, 19230, 19871, 21855, 30127, 39742, 43710, 59613, 60254, 90381, 99355, 119226, 150635, 180762, 198710, 298065, 301270, 451905, 596130, 903810, 933937, 1867874, 2801811, 4669685, 5603622, 9339370, 14009055, 28018110]

約数ペア:

[(1, 28018110), (2, 14009055), (3, 9339370), (5, 5603622), (6, 4669685), (10, 2801811), (15, 1867874), (30, 933937), (31, 903810), (47, 596130), (62, 451905), (93, 301270), (94, 298065), (141, 198710), (155, 180762), (186, 150635), (235, 119226), (282, 99355), (310, 90381), (465, 60254), (470, 59613), (641, 43710), (705, 39742), (930, 30127), (1282, 21855), (1410, 19871), (1457, 19230), (1923, 14570), (2914, 9615), (3205, 8742), (3846, 7285), (4371, 6410)]