About the Number

74451920

74451919 ← → 74451921

2進数表記:100011100000000101111010000

漢数字表記:七千四百四十五万千九百二十

素因数分解:

2 4 × 5 1 × 23 1 × 43 1 × 941 1

素因数の和:1020
約数の個数: 80
約数和(自身を含む): 185023872
約数和(自身を除く): 110571952

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 688, 860, 920, 941, 989, 1720, 1840, 1882, 1978, 3440, 3764, 3956, 4705, 4945, 7528, 7912, 9410, 9890, 15056, 15824, 18820, 19780, 21643, 37640, 39560, 40463, 43286, 75280, 79120, 80926, 86572, 108215, 161852, 173144, 202315, 216430, 323704, 346288, 404630, 432860, 647408, 809260, 865720, 930649, 1618520, 1731440, 1861298, 3237040, 3722596, 4653245, 7445192, 9306490, 14890384, 18612980, 37225960, 74451920]

約数ペア:
[(1, 74451920), (2, 37225960), (4, 18612980), (5, 14890384), (8, 9306490), (10, 7445192), (16, 4653245), (20, 3722596), (23, 3237040), (40, 1861298), (43, 1731440), (46, 1618520), (80, 930649), (86, 865720), (92, 809260), (115, 647408), (172, 432860), (184, 404630), (215, 346288), (230, 323704), (344, 216430), (368, 202315), (430, 173144), (460, 161852), (688, 108215), (860, 86572), (920, 80926), (941, 79120), (989, 75280), (1720, 43286), (1840, 40463), (1882, 39560), (1978, 37640), (3440, 21643), (3764, 19780), (3956, 18820), (4705, 15824), (4945, 15056), (7528, 9890), (7912, 9410)]

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