28302390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2003}}^1$

素因数の和:2173

約数の個数: 48

約数和(自身を含む): 74091888

約数和(自身を除く): 45789498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2003, 2355, 2826, 4006, 4710, 6009, 7065, 10015, 12018, 14130, 18027, 20030, 30045, 36054, 60090, 90135, 180270, 314471, 628942, 943413, 1572355, 1886826, 2830239, 3144710, 4717065, 5660478, 9434130, 14151195, 28302390]

約数ペア:

[(1, 28302390), (2, 14151195), (3, 9434130), (5, 5660478), (6, 4717065), (9, 3144710), (10, 2830239), (15, 1886826), (18, 1572355), (30, 943413), (45, 628942), (90, 314471), (157, 180270), (314, 90135), (471, 60090), (785, 36054), (942, 30045), (1413, 20030), (1570, 18027), (2003, 14130), (2355, 12018), (2826, 10015), (4006, 7065), (4710, 6009)]