289363240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2417}}^1$

素因数の和:2542

約数の個数: 64

約数和(自身を含む): 676362960

約数和(自身を除く): 386999720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 584, 730, 820, 1460, 1640, 2417, 2920, 2993, 4834, 5986, 9668, 11972, 12085, 14965, 19336, 23944, 24170, 29930, 48340, 59860, 96680, 99097, 119720, 176441, 198194, 352882, 396388, 495485, 705764, 792776, 882205, 990970, 1411528, 1764410, 1981940, 3528820, 3963880, 7057640, 7234081, 14468162, 28936324, 36170405, 57872648, 72340810, 144681620, 289363240]

約数ペア:

[(1, 289363240), (2, 144681620), (4, 72340810), (5, 57872648), (8, 36170405), (10, 28936324), (20, 14468162), (40, 7234081), (41, 7057640), (73, 3963880), (82, 3528820), (146, 1981940), (164, 1764410), (205, 1411528), (292, 990970), (328, 882205), (365, 792776), (410, 705764), (584, 495485), (730, 396388), (820, 352882), (1460, 198194), (1640, 176441), (2417, 119720), (2920, 99097), (2993, 96680), (4834, 59860), (5986, 48340), (9668, 29930), (11972, 24170), (12085, 23944), (14965, 19336)]