217295120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12517}}^1$

素因数の和:12568

約数の個数: 80

約数和(自身を含む): 596057088

約数和(自身を除く): 378761968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12517, 17360, 25034, 50068, 62585, 87619, 100136, 125170, 175238, 200272, 250340, 350476, 388027, 438095, 500680, 700952, 776054, 876190, 1001360, 1401904, 1552108, 1752380, 1940135, 2716189, 3104216, 3504760, 3880270, 5432378, 6208432, 7009520, 7760540, 10864756, 13580945, 15521080, 21729512, 27161890, 31042160, 43459024, 54323780, 108647560, 217295120]

約数ペア:

[(1, 217295120), (2, 108647560), (4, 54323780), (5, 43459024), (7, 31042160), (8, 27161890), (10, 21729512), (14, 15521080), (16, 13580945), (20, 10864756), (28, 7760540), (31, 7009520), (35, 6208432), (40, 5432378), (56, 3880270), (62, 3504760), (70, 3104216), (80, 2716189), (112, 1940135), (124, 1752380), (140, 1552108), (155, 1401904), (217, 1001360), (248, 876190), (280, 776054), (310, 700952), (434, 500680), (496, 438095), (560, 388027), (620, 350476), (868, 250340), (1085, 200272), (1240, 175238), (1736, 125170), (2170, 100136), (2480, 87619), (3472, 62585), (4340, 50068), (8680, 25034), (12517, 17360)]