1388298840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{608903}}^1$

素因数の和:608936

約数の個数: 64

約数和(自身を含む): 4384108800

約数和(自身を除く): 2995809960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 608903, 1217806, 1826709, 2435612, 3044515, 3653418, 4871224, 6089030, 7306836, 9133545, 11569157, 12178060, 14613672, 18267090, 23138314, 24356120, 34707471, 36534180, 46276628, 57845785, 69414942, 73068360, 92553256, 115691570, 138829884, 173537355, 231383140, 277659768, 347074710, 462766280, 694149420, 1388298840]

約数ペア:

[(1, 1388298840), (2, 694149420), (3, 462766280), (4, 347074710), (5, 277659768), (6, 231383140), (8, 173537355), (10, 138829884), (12, 115691570), (15, 92553256), (19, 73068360), (20, 69414942), (24, 57845785), (30, 46276628), (38, 36534180), (40, 34707471), (57, 24356120), (60, 23138314), (76, 18267090), (95, 14613672), (114, 12178060), (120, 11569157), (152, 9133545), (190, 7306836), (228, 6089030), (285, 4871224), (380, 3653418), (456, 3044515), (570, 2435612), (760, 1826709), (1140, 1217806), (2280, 608903)]