4492880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 12213504

約数和(自身を除く): 7720624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 113, 140, 142, 226, 280, 284, 355, 452, 497, 560, 565, 568, 710, 791, 904, 994, 1130, 1136, 1420, 1582, 1808, 1988, 2260, 2485, 2840, 3164, 3955, 3976, 4520, 4970, 5680, 6328, 7910, 7952, 8023, 9040, 9940, 12656, 15820, 16046, 19880, 31640, 32092, 39760, 40115, 56161, 63280, 64184, 80230, 112322, 128368, 160460, 224644, 280805, 320920, 449288, 561610, 641840, 898576, 1123220, 2246440, 4492880]

約数ペア:

[(1, 4492880), (2, 2246440), (4, 1123220), (5, 898576), (7, 641840), (8, 561610), (10, 449288), (14, 320920), (16, 280805), (20, 224644), (28, 160460), (35, 128368), (40, 112322), (56, 80230), (70, 64184), (71, 63280), (80, 56161), (112, 40115), (113, 39760), (140, 32092), (142, 31640), (226, 19880), (280, 16046), (284, 15820), (355, 12656), (452, 9940), (497, 9040), (560, 8023), (565, 7952), (568, 7910), (710, 6328), (791, 5680), (904, 4970), (994, 4520), (1130, 3976), (1136, 3955), (1420, 3164), (1582, 2840), (1808, 2485), (1988, 2260)]