207922160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 496521792

約数和(自身を除く): 288599632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 137, 244, 274, 305, 311, 488, 548, 610, 622, 685, 976, 1096, 1220, 1244, 1370, 1555, 2192, 2440, 2488, 2740, 3110, 4880, 4976, 5480, 6220, 8357, 10960, 12440, 16714, 18971, 24880, 33428, 37942, 41785, 42607, 66856, 75884, 83570, 85214, 94855, 133712, 151768, 167140, 170428, 189710, 213035, 303536, 334280, 340856, 379420, 426070, 668560, 681712, 758840, 852140, 1517680, 1704280, 2599027, 3408560, 5198054, 10396108, 12995135, 20792216, 25990270, 41584432, 51980540, 103961080, 207922160]

約数ペア:

[(1, 207922160), (2, 103961080), (4, 51980540), (5, 41584432), (8, 25990270), (10, 20792216), (16, 12995135), (20, 10396108), (40, 5198054), (61, 3408560), (80, 2599027), (122, 1704280), (137, 1517680), (244, 852140), (274, 758840), (305, 681712), (311, 668560), (488, 426070), (548, 379420), (610, 340856), (622, 334280), (685, 303536), (976, 213035), (1096, 189710), (1220, 170428), (1244, 167140), (1370, 151768), (1555, 133712), (2192, 94855), (2440, 85214), (2488, 83570), (2740, 75884), (3110, 66856), (4880, 42607), (4976, 41785), (5480, 37942), (6220, 33428), (8357, 24880), (10960, 18971), (12440, 16714)]