2986420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 6854400

約数和(自身を除く): 3867980

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 271, 290, 380, 542, 551, 580, 1084, 1102, 1355, 2204, 2710, 2755, 5149, 5420, 5510, 7859, 10298, 11020, 15718, 20596, 25745, 31436, 39295, 51490, 78590, 102980, 149321, 157180, 298642, 597284, 746605, 1493210, 2986420]

約数ペア:

[(1, 2986420), (2, 1493210), (4, 746605), (5, 597284), (10, 298642), (19, 157180), (20, 149321), (29, 102980), (38, 78590), (58, 51490), (76, 39295), (95, 31436), (116, 25745), (145, 20596), (190, 15718), (271, 11020), (290, 10298), (380, 7859), (542, 5510), (551, 5420), (580, 5149), (1084, 2755), (1102, 2710), (1355, 2204)]