514280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 1330560

約数和(自身を除く): 816280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 65, 86, 92, 104, 115, 130, 172, 184, 215, 230, 260, 299, 344, 430, 460, 520, 559, 598, 860, 920, 989, 1118, 1196, 1495, 1720, 1978, 2236, 2392, 2795, 2990, 3956, 4472, 4945, 5590, 5980, 7912, 9890, 11180, 11960, 12857, 19780, 22360, 25714, 39560, 51428, 64285, 102856, 128570, 257140, 514280]

約数ペア:

[(1, 514280), (2, 257140), (4, 128570), (5, 102856), (8, 64285), (10, 51428), (13, 39560), (20, 25714), (23, 22360), (26, 19780), (40, 12857), (43, 11960), (46, 11180), (52, 9890), (65, 7912), (86, 5980), (92, 5590), (104, 4945), (115, 4472), (130, 3956), (172, 2990), (184, 2795), (215, 2392), (230, 2236), (260, 1978), (299, 1720), (344, 1495), (430, 1196), (460, 1118), (520, 989), (559, 920), (598, 860)]