149039720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 348131520

約数和(自身を除く): 199091800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 215, 292, 344, 365, 430, 584, 730, 860, 1187, 1460, 1720, 2374, 2920, 3139, 4748, 5935, 6278, 9496, 11870, 12556, 15695, 23740, 25112, 31390, 47480, 51041, 62780, 86651, 102082, 125560, 173302, 204164, 255205, 346604, 408328, 433255, 510410, 693208, 866510, 1020820, 1733020, 2041640, 3466040, 3725993, 7451986, 14903972, 18629965, 29807944, 37259930, 74519860, 149039720]

約数ペア:

[(1, 149039720), (2, 74519860), (4, 37259930), (5, 29807944), (8, 18629965), (10, 14903972), (20, 7451986), (40, 3725993), (43, 3466040), (73, 2041640), (86, 1733020), (146, 1020820), (172, 866510), (215, 693208), (292, 510410), (344, 433255), (365, 408328), (430, 346604), (584, 255205), (730, 204164), (860, 173302), (1187, 125560), (1460, 102082), (1720, 86651), (2374, 62780), (2920, 51041), (3139, 47480), (4748, 31390), (5935, 25112), (6278, 23740), (9496, 15695), (11870, 12556)]