About the Number

2649207920

2649207919 ← → 2649207921

2進数表記:10011101111001111011010001110000

漢数字表記:二十六億四千九百二十万七千九百二十

素因数分解:

2 4 × 5 1 × 17 1 × 31 2 × 2027 1

素因数の和:2119
約数の個数: 120
約数和(自身を含む): 6742215792
約数和(自身を除く): 4093007872

約数列:
[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 961, 1054, 1240, 1360, 1922, 2027, 2108, 2480, 2635, 3844, 4054, 4216, 4805, 5270, 7688, 8108, 8432, 9610, 10135, 10540, 15376, 16216, 16337, 19220, 20270, 21080, 32432, 32674, 34459, 38440, 40540, 42160, 62837, 65348, 68918, 76880, 81080, 81685, 125674, 130696, 137836, 162160, 163370, 172295, 251348, 261392, 275672, 314185, 326740, 344590, 502696, 551344, 628370, 653480, 689180, 1005392, 1068229, 1256740, 1306960, 1378360, 1947947, 2136458, 2513480, 2756720, 3895894, 4272916, 5026960, 5341145, 7791788, 8545832, 9739735, 10682290, 15583576, 17091664, 19479470, 21364580, 31167152, 33115099, 38958940, 42729160, 66230198, 77917880, 85458320, 132460396, 155835760, 165575495, 264920792, 331150990, 529841584, 662301980, 1324603960, 2649207920]

約数ペア:
[(1, 2649207920), (2, 1324603960), (4, 662301980), (5, 529841584), (8, 331150990), (10, 264920792), (16, 165575495), (17, 155835760), (20, 132460396), (31, 85458320), (34, 77917880), (40, 66230198), (62, 42729160), (68, 38958940), (80, 33115099), (85, 31167152), (124, 21364580), (136, 19479470), (155, 17091664), (170, 15583576), (248, 10682290), (272, 9739735), (310, 8545832), (340, 7791788), (496, 5341145), (527, 5026960), (620, 4272916), (680, 3895894), (961, 2756720), (1054, 2513480), (1240, 2136458), (1360, 1947947), (1922, 1378360), (2027, 1306960), (2108, 1256740), (2480, 1068229), (2635, 1005392), (3844, 689180), (4054, 653480), (4216, 628370), (4805, 551344), (5270, 502696), (7688, 344590), (8108, 326740), (8432, 314185), (9610, 275672), (10135, 261392), (10540, 251348), (15376, 172295), (16216, 163370), (16337, 162160), (19220, 137836), (20270, 130696), (21080, 125674), (32432, 81685), (32674, 81080), (34459, 76880), (38440, 68918), (40540, 65348), (42160, 62837)]

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