390433900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1603

約数の個数: 72

約数和(自身を含む): 903223440

約数和(自身を除く): 512789540

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 163, 170, 326, 340, 425, 652, 815, 850, 1409, 1630, 1700, 2771, 2818, 3260, 4075, 5542, 5636, 7045, 8150, 11084, 13855, 14090, 16300, 23953, 27710, 28180, 35225, 47906, 55420, 69275, 70450, 95812, 119765, 138550, 140900, 229667, 239530, 277100, 459334, 479060, 598825, 918668, 1148335, 1197650, 2296670, 2395300, 3904339, 4593340, 5741675, 7808678, 11483350, 15617356, 19521695, 22966700, 39043390, 78086780, 97608475, 195216950, 390433900]

約数ペア:

[(1, 390433900), (2, 195216950), (4, 97608475), (5, 78086780), (10, 39043390), (17, 22966700), (20, 19521695), (25, 15617356), (34, 11483350), (50, 7808678), (68, 5741675), (85, 4593340), (100, 3904339), (163, 2395300), (170, 2296670), (326, 1197650), (340, 1148335), (425, 918668), (652, 598825), (815, 479060), (850, 459334), (1409, 277100), (1630, 239530), (1700, 229667), (2771, 140900), (2818, 138550), (3260, 119765), (4075, 95812), (5542, 70450), (5636, 69275), (7045, 55420), (8150, 47906), (11084, 35225), (13855, 28180), (14090, 27710), (16300, 23953)]