About the Number

31390304

31390303 ← → 31390305

2進数表記:1110111101111101001100000

漢数字表記:三千百三十九万三百四

素因数分解:

2 5 × 11 4 × 67 1

素因数の和:121
約数の個数: 60
約数和(自身を含む): 68993820
約数和(自身を除く): 37603516

約数列:
[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 121, 134, 176, 242, 268, 352, 484, 536, 737, 968, 1072, 1331, 1474, 1936, 2144, 2662, 2948, 3872, 5324, 5896, 8107, 10648, 11792, 14641, 16214, 21296, 23584, 29282, 32428, 42592, 58564, 64856, 89177, 117128, 129712, 178354, 234256, 259424, 356708, 468512, 713416, 980947, 1426832, 1961894, 2853664, 3923788, 7847576, 15695152, 31390304]

約数ペア:
[(1, 31390304), (2, 15695152), (4, 7847576), (8, 3923788), (11, 2853664), (16, 1961894), (22, 1426832), (32, 980947), (44, 713416), (67, 468512), (88, 356708), (121, 259424), (134, 234256), (176, 178354), (242, 129712), (268, 117128), (352, 89177), (484, 64856), (536, 58564), (737, 42592), (968, 32428), (1072, 29282), (1331, 23584), (1474, 21296), (1936, 16214), (2144, 14641), (2662, 11792), (2948, 10648), (3872, 8107), (5324, 5896)]

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