279747760

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^2\times {\mathrm{1583}}^1$

素因数の和:1690

約数の個数: 60

約数和(自身を含む): 664966368

約数和(自身を除く): 385218608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1583, 1880, 2209, 3166, 3760, 4418, 6332, 7915, 8836, 11045, 12664, 15830, 17672, 22090, 25328, 31660, 35344, 44180, 63320, 74401, 88360, 126640, 148802, 176720, 297604, 372005, 595208, 744010, 1190416, 1488020, 2976040, 3496847, 5952080, 6993694, 13987388, 17484235, 27974776, 34968470, 55949552, 69936940, 139873880, 279747760]

約数ペア:

[(1, 279747760), (2, 139873880), (4, 69936940), (5, 55949552), (8, 34968470), (10, 27974776), (16, 17484235), (20, 13987388), (40, 6993694), (47, 5952080), (80, 3496847), (94, 2976040), (188, 1488020), (235, 1190416), (376, 744010), (470, 595208), (752, 372005), (940, 297604), (1583, 176720), (1880, 148802), (2209, 126640), (3166, 88360), (3760, 74401), (4418, 63320), (6332, 44180), (7915, 35344), (8836, 31660), (11045, 25328), (12664, 22090), (15830, 17672)]