447200

素因数分解:

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

素因数の和:76

約数の個数: 72

約数和(自身を含む): 1203048

約数和(自身を除く): 755848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 65, 80, 86, 100, 104, 130, 160, 172, 200, 208, 215, 260, 325, 344, 400, 416, 430, 520, 559, 650, 688, 800, 860, 1040, 1075, 1118, 1300, 1376, 1720, 2080, 2150, 2236, 2600, 2795, 3440, 4300, 4472, 5200, 5590, 6880, 8600, 8944, 10400, 11180, 13975, 17200, 17888, 22360, 27950, 34400, 44720, 55900, 89440, 111800, 223600, 447200]

約数ペア:

[(1, 447200), (2, 223600), (4, 111800), (5, 89440), (8, 55900), (10, 44720), (13, 34400), (16, 27950), (20, 22360), (25, 17888), (26, 17200), (32, 13975), (40, 11180), (43, 10400), (50, 8944), (52, 8600), (65, 6880), (80, 5590), (86, 5200), (100, 4472), (104, 4300), (130, 3440), (160, 2795), (172, 2600), (200, 2236), (208, 2150), (215, 2080), (260, 1720), (325, 1376), (344, 1300), (400, 1118), (416, 1075), (430, 1040), (520, 860), (559, 800), (650, 688)]