207945520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 502824960

約数和(自身を除く): 294879440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 191, 248, 310, 382, 439, 496, 620, 764, 878, 955, 1240, 1528, 1756, 1910, 2195, 2480, 3056, 3512, 3820, 4390, 5921, 7024, 7640, 8780, 11842, 13609, 15280, 17560, 23684, 27218, 29605, 35120, 47368, 54436, 59210, 68045, 83849, 94736, 108872, 118420, 136090, 167698, 217744, 236840, 272180, 335396, 419245, 473680, 544360, 670792, 838490, 1088720, 1341584, 1676980, 2599319, 3353960, 5198638, 6707920, 10397276, 12996595, 20794552, 25993190, 41589104, 51986380, 103972760, 207945520]

約数ペア:

[(1, 207945520), (2, 103972760), (4, 51986380), (5, 41589104), (8, 25993190), (10, 20794552), (16, 12996595), (20, 10397276), (31, 6707920), (40, 5198638), (62, 3353960), (80, 2599319), (124, 1676980), (155, 1341584), (191, 1088720), (248, 838490), (310, 670792), (382, 544360), (439, 473680), (496, 419245), (620, 335396), (764, 272180), (878, 236840), (955, 217744), (1240, 167698), (1528, 136090), (1756, 118420), (1910, 108872), (2195, 94736), (2480, 83849), (3056, 68045), (3512, 59210), (3820, 54436), (4390, 47368), (5921, 35120), (7024, 29605), (7640, 27218), (8780, 23684), (11842, 17560), (13609, 15280)]