28782090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1657}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 75266568

約数和(自身を除く): 46484478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 193, 386, 579, 965, 1158, 1657, 1737, 1930, 2895, 3314, 3474, 4971, 5790, 8285, 8685, 9942, 14913, 16570, 17370, 24855, 29826, 49710, 74565, 149130, 319801, 639602, 959403, 1599005, 1918806, 2878209, 3198010, 4797015, 5756418, 9594030, 14391045, 28782090]

約数ペア:

[(1, 28782090), (2, 14391045), (3, 9594030), (5, 5756418), (6, 4797015), (9, 3198010), (10, 2878209), (15, 1918806), (18, 1599005), (30, 959403), (45, 639602), (90, 319801), (193, 149130), (386, 74565), (579, 49710), (965, 29826), (1158, 24855), (1657, 17370), (1737, 16570), (1930, 14913), (2895, 9942), (3314, 8685), (3474, 8285), (4971, 5790)]