About the Number

1990920

1990919 ← → 1990921

2進数表記:111100110000100001000

漢数字表記:百九十九万九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 47 1 × 353 1

素因数の和:414
約数の個数: 64
約数和(自身を含む): 6117120
約数和(自身を除く): 4126200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 353, 376, 470, 564, 705, 706, 940, 1059, 1128, 1410, 1412, 1765, 1880, 2118, 2820, 2824, 3530, 4236, 5295, 5640, 7060, 8472, 10590, 14120, 16591, 21180, 33182, 42360, 49773, 66364, 82955, 99546, 132728, 165910, 199092, 248865, 331820, 398184, 497730, 663640, 995460, 1990920]

約数ペア:
[(1, 1990920), (2, 995460), (3, 663640), (4, 497730), (5, 398184), (6, 331820), (8, 248865), (10, 199092), (12, 165910), (15, 132728), (20, 99546), (24, 82955), (30, 66364), (40, 49773), (47, 42360), (60, 33182), (94, 21180), (120, 16591), (141, 14120), (188, 10590), (235, 8472), (282, 7060), (353, 5640), (376, 5295), (470, 4236), (564, 3530), (705, 2824), (706, 2820), (940, 2118), (1059, 1880), (1128, 1765), (1410, 1412)]

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