258300280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12637}}^1$

素因数の和:12728

約数の個数: 64

約数和(自身を含む): 673352640

約数和(自身を除く): 415052360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 12637, 20440, 25274, 50548, 63185, 88459, 101096, 126370, 176918, 252740, 353836, 442295, 505480, 707672, 884590, 922501, 1769180, 1845002, 3538360, 3690004, 4612505, 6457507, 7380008, 9225010, 12915014, 18450020, 25830028, 32287535, 36900040, 51660056, 64575070, 129150140, 258300280]

約数ペア:

[(1, 258300280), (2, 129150140), (4, 64575070), (5, 51660056), (7, 36900040), (8, 32287535), (10, 25830028), (14, 18450020), (20, 12915014), (28, 9225010), (35, 7380008), (40, 6457507), (56, 4612505), (70, 3690004), (73, 3538360), (140, 1845002), (146, 1769180), (280, 922501), (292, 884590), (365, 707672), (511, 505480), (584, 442295), (730, 353836), (1022, 252740), (1460, 176918), (2044, 126370), (2555, 101096), (2920, 88459), (4088, 63185), (5110, 50548), (10220, 25274), (12637, 20440)]