219220680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{523}}^1$

素因数の和:1043

約数の個数: 128

約数和(自身を含む): 754560000

約数和(自身を除く): 535339320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 499, 523, 840, 998, 1046, 1497, 1569, 1996, 2092, 2495, 2615, 2994, 3138, 3493, 3661, 3992, 4184, 4990, 5230, 5988, 6276, 6986, 7322, 7485, 7845, 9980, 10460, 10479, 10983, 11976, 12552, 13972, 14644, 14970, 15690, 17465, 18305, 19960, 20920, 20958, 21966, 27944, 29288, 29940, 31380, 34930, 36610, 41916, 43932, 52395, 54915, 59880, 62760, 69860, 73220, 83832, 87864, 104790, 109830, 139720, 146440, 209580, 219660, 260977, 419160, 439320, 521954, 782931, 1043908, 1304885, 1565862, 1826839, 2087816, 2609770, 3131724, 3653678, 3914655, 5219540, 5480517, 6263448, 7307356, 7829310, 9134195, 10439080, 10961034, 14614712, 15658620, 18268390, 21922068, 27402585, 31317240, 36536780, 43844136, 54805170, 73073560, 109610340, 219220680]

約数ペア:

[(1, 219220680), (2, 109610340), (3, 73073560), (4, 54805170), (5, 43844136), (6, 36536780), (7, 31317240), (8, 27402585), (10, 21922068), (12, 18268390), (14, 15658620), (15, 14614712), (20, 10961034), (21, 10439080), (24, 9134195), (28, 7829310), (30, 7307356), (35, 6263448), (40, 5480517), (42, 5219540), (56, 3914655), (60, 3653678), (70, 3131724), (84, 2609770), (105, 2087816), (120, 1826839), (140, 1565862), (168, 1304885), (210, 1043908), (280, 782931), (420, 521954), (499, 439320), (523, 419160), (840, 260977), (998, 219660), (1046, 209580), (1497, 146440), (1569, 139720), (1996, 109830), (2092, 104790), (2495, 87864), (2615, 83832), (2994, 73220), (3138, 69860), (3493, 62760), (3661, 59880), (3992, 54915), (4184, 52395), (4990, 43932), (5230, 41916), (5988, 36610), (6276, 34930), (6986, 31380), (7322, 29940), (7485, 29288), (7845, 27944), (9980, 21966), (10460, 20958), (10479, 20920), (10983, 19960), (11976, 18305), (12552, 17465), (13972, 15690), (14644, 14970)]