278839710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{15727}}^1$

素因数の和:15937

約数の個数: 48

約数和(自身を含む): 728709696

約数和(自身を除く): 449869986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1182, 1773, 1970, 2955, 3546, 5910, 8865, 15727, 17730, 31454, 47181, 78635, 94362, 141543, 157270, 235905, 283086, 471810, 707715, 1415430, 3098219, 6196438, 9294657, 15491095, 18589314, 27883971, 30982190, 46473285, 55767942, 92946570, 139419855, 278839710]

約数ペア:

[(1, 278839710), (2, 139419855), (3, 92946570), (5, 55767942), (6, 46473285), (9, 30982190), (10, 27883971), (15, 18589314), (18, 15491095), (30, 9294657), (45, 6196438), (90, 3098219), (197, 1415430), (394, 707715), (591, 471810), (985, 283086), (1182, 235905), (1773, 157270), (1970, 141543), (2955, 94362), (3546, 78635), (5910, 47181), (8865, 31454), (15727, 17730)]