507400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1227600

約数和(自身を除く): 720200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 59, 86, 100, 118, 172, 200, 215, 236, 295, 344, 430, 472, 590, 860, 1075, 1180, 1475, 1720, 2150, 2360, 2537, 2950, 4300, 5074, 5900, 8600, 10148, 11800, 12685, 20296, 25370, 50740, 63425, 101480, 126850, 253700, 507400]

約数ペア:

[(1, 507400), (2, 253700), (4, 126850), (5, 101480), (8, 63425), (10, 50740), (20, 25370), (25, 20296), (40, 12685), (43, 11800), (50, 10148), (59, 8600), (86, 5900), (100, 5074), (118, 4300), (172, 2950), (200, 2537), (215, 2360), (236, 2150), (295, 1720), (344, 1475), (430, 1180), (472, 1075), (590, 860)]