559000

素因数分解:

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

素因数の和:77

約数の個数: 64

約数和(自身を含む): 1441440

約数和(自身を除く): 882440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 125, 130, 172, 200, 215, 250, 260, 325, 344, 430, 500, 520, 559, 650, 860, 1000, 1075, 1118, 1300, 1625, 1720, 2150, 2236, 2600, 2795, 3250, 4300, 4472, 5375, 5590, 6500, 8600, 10750, 11180, 13000, 13975, 21500, 22360, 27950, 43000, 55900, 69875, 111800, 139750, 279500, 559000]

約数ペア:

[(1, 559000), (2, 279500), (4, 139750), (5, 111800), (8, 69875), (10, 55900), (13, 43000), (20, 27950), (25, 22360), (26, 21500), (40, 13975), (43, 13000), (50, 11180), (52, 10750), (65, 8600), (86, 6500), (100, 5590), (104, 5375), (125, 4472), (130, 4300), (172, 3250), (200, 2795), (215, 2600), (250, 2236), (260, 2150), (325, 1720), (344, 1625), (430, 1300), (500, 1118), (520, 1075), (559, 1000), (650, 860)]