239440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 578088

約数和(自身を除く): 338648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 73, 80, 82, 146, 164, 205, 292, 328, 365, 410, 584, 656, 730, 820, 1168, 1460, 1640, 2920, 2993, 3280, 5840, 5986, 11972, 14965, 23944, 29930, 47888, 59860, 119720, 239440]

約数ペア:

[(1, 239440), (2, 119720), (4, 59860), (5, 47888), (8, 29930), (10, 23944), (16, 14965), (20, 11972), (40, 5986), (41, 5840), (73, 3280), (80, 2993), (82, 2920), (146, 1640), (164, 1460), (205, 1168), (292, 820), (328, 730), (365, 656), (410, 584)]