28904130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16903}}^1$

素因数の和:16935

約数の個数: 48

約数和(自身を含む): 79110720

約数和(自身を除く): 50206590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 16903, 33806, 50709, 84515, 101418, 152127, 169030, 253545, 304254, 321157, 507090, 642314, 760635, 963471, 1521270, 1605785, 1926942, 2890413, 3211570, 4817355, 5780826, 9634710, 14452065, 28904130]

約数ペア:

[(1, 28904130), (2, 14452065), (3, 9634710), (5, 5780826), (6, 4817355), (9, 3211570), (10, 2890413), (15, 1926942), (18, 1605785), (19, 1521270), (30, 963471), (38, 760635), (45, 642314), (57, 507090), (90, 321157), (95, 304254), (114, 253545), (171, 169030), (190, 152127), (285, 101418), (342, 84515), (570, 50709), (855, 33806), (1710, 16903)]