393669990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{208291}}^1$

素因数の和:208314

約数の個数: 64

約数和(自身を含む): 1199761920

約数和(自身を除く): 806091930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 208291, 416582, 624873, 1041455, 1249746, 1458037, 1874619, 2082910, 2916074, 3124365, 3749238, 4374111, 5623857, 6248730, 7290185, 8748222, 9373095, 11247714, 13122333, 14580370, 18746190, 21870555, 26244666, 28119285, 39366999, 43741110, 56238570, 65611665, 78733998, 131223330, 196834995, 393669990]

約数ペア:

[(1, 393669990), (2, 196834995), (3, 131223330), (5, 78733998), (6, 65611665), (7, 56238570), (9, 43741110), (10, 39366999), (14, 28119285), (15, 26244666), (18, 21870555), (21, 18746190), (27, 14580370), (30, 13122333), (35, 11247714), (42, 9373095), (45, 8748222), (54, 7290185), (63, 6248730), (70, 5623857), (90, 4374111), (105, 3749238), (126, 3124365), (135, 2916074), (189, 2082910), (210, 1874619), (270, 1458037), (315, 1249746), (378, 1041455), (630, 624873), (945, 416582), (1890, 208291)]