28137830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 32826010

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 83, 145, 166, 167, 203, 290, 334, 406, 415, 581, 830, 835, 1015, 1162, 1169, 1670, 2030, 2338, 2407, 2905, 4814, 4843, 5810, 5845, 9686, 11690, 12035, 13861, 16849, 24070, 24215, 27722, 33698, 33901, 48430, 67802, 69305, 84245, 97027, 138610, 168490, 169505, 194054, 339010, 401969, 485135, 803938, 970270, 2009845, 2813783, 4019690, 5627566, 14068915, 28137830]

約数ペア:

[(1, 28137830), (2, 14068915), (5, 5627566), (7, 4019690), (10, 2813783), (14, 2009845), (29, 970270), (35, 803938), (58, 485135), (70, 401969), (83, 339010), (145, 194054), (166, 169505), (167, 168490), (203, 138610), (290, 97027), (334, 84245), (406, 69305), (415, 67802), (581, 48430), (830, 33901), (835, 33698), (1015, 27722), (1162, 24215), (1169, 24070), (1670, 16849), (2030, 13861), (2338, 12035), (2407, 11690), (2905, 9686), (4814, 5845), (4843, 5810)]