About the Number

2011981840

2011981839 ← → 2011981841

2進数表記:1110111111011000110100000010000

漢数字表記:二十億千百九十八万千八百四十

素因数分解:

2 4 × 5 1 × 11 1 × 31 1 × 131 1 × 563 1

素因数の和:749
約数の個数: 160
約数和(自身を含む): 5317373952
約数和(自身を除く): 3305392112

約数列:
[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 131, 155, 176, 220, 248, 262, 310, 341, 440, 496, 524, 563, 620, 655, 682, 880, 1048, 1126, 1240, 1310, 1364, 1441, 1705, 2096, 2252, 2480, 2620, 2728, 2815, 2882, 3410, 4061, 4504, 5240, 5456, 5630, 5764, 6193, 6820, 7205, 8122, 9008, 10480, 11260, 11528, 12386, 13640, 14410, 16244, 17453, 20305, 22520, 23056, 24772, 27280, 28820, 30965, 32488, 34906, 40610, 44671, 45040, 49544, 57640, 61930, 64976, 69812, 73753, 81220, 87265, 89342, 99088, 115280, 123860, 139624, 147506, 162440, 174530, 178684, 191983, 223355, 247720, 279248, 295012, 324880, 349060, 357368, 368765, 383966, 446710, 495440, 590024, 698120, 714736, 737530, 767932, 811283, 893420, 959915, 1180048, 1396240, 1475060, 1535864, 1622566, 1786840, 1919830, 2286343, 2950120, 3071728, 3245132, 3573680, 3839660, 4056415, 4572686, 5900240, 6490264, 7679320, 8112830, 9145372, 11431715, 12980528, 15358640, 16225660, 18290744, 22863430, 25149773, 32451320, 36581488, 45726860, 50299546, 64902640, 91453720, 100599092, 125748865, 182907440, 201198184, 251497730, 402396368, 502995460, 1005990920, 2011981840]

約数ペア:
[(1, 2011981840), (2, 1005990920), (4, 502995460), (5, 402396368), (8, 251497730), (10, 201198184), (11, 182907440), (16, 125748865), (20, 100599092), (22, 91453720), (31, 64902640), (40, 50299546), (44, 45726860), (55, 36581488), (62, 32451320), (80, 25149773), (88, 22863430), (110, 18290744), (124, 16225660), (131, 15358640), (155, 12980528), (176, 11431715), (220, 9145372), (248, 8112830), (262, 7679320), (310, 6490264), (341, 5900240), (440, 4572686), (496, 4056415), (524, 3839660), (563, 3573680), (620, 3245132), (655, 3071728), (682, 2950120), (880, 2286343), (1048, 1919830), (1126, 1786840), (1240, 1622566), (1310, 1535864), (1364, 1475060), (1441, 1396240), (1705, 1180048), (2096, 959915), (2252, 893420), (2480, 811283), (2620, 767932), (2728, 737530), (2815, 714736), (2882, 698120), (3410, 590024), (4061, 495440), (4504, 446710), (5240, 383966), (5456, 368765), (5630, 357368), (5764, 349060), (6193, 324880), (6820, 295012), (7205, 279248), (8122, 247720), (9008, 223355), (10480, 191983), (11260, 178684), (11528, 174530), (12386, 162440), (13640, 147506), (14410, 139624), (16244, 123860), (17453, 115280), (20305, 99088), (22520, 89342), (23056, 87265), (24772, 81220), (27280, 73753), (28820, 69812), (30965, 64976), (32488, 61930), (34906, 57640), (40610, 49544), (44671, 45040)]

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