About the Number

385206640

385206639 ← → 385206641

2進数表記:10110111101011100100101110000

漢数字表記:三億八千五百二十万六千六百四十

素因数分解:

2 4 × 5 1 × 7 2 × 13 1 × 7559 1

素因数の和:7599
約数の個数: 120
約数和(自身を含む): 1122115680
約数和(自身を除く): 736909040

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 5096, 6370, 7280, 7559, 10192, 12740, 15118, 25480, 30236, 37795, 50960, 52913, 60472, 75590, 98267, 105826, 120944, 151180, 196534, 211652, 264565, 302360, 370391, 393068, 423304, 491335, 529130, 604720, 687869, 740782, 786136, 846608, 982670, 1058260, 1375738, 1481564, 1572272, 1851955, 1965340, 2116520, 2751476, 2963128, 3439345, 3703910, 3930680, 4233040, 4815083, 5502952, 5926256, 6878690, 7407820, 7861360, 9630166, 11005904, 13757380, 14815640, 19260332, 24075415, 27514760, 29631280, 38520664, 48150830, 55029520, 77041328, 96301660, 192603320, 385206640]

約数ペア:
[(1, 385206640), (2, 192603320), (4, 96301660), (5, 77041328), (7, 55029520), (8, 48150830), (10, 38520664), (13, 29631280), (14, 27514760), (16, 24075415), (20, 19260332), (26, 14815640), (28, 13757380), (35, 11005904), (40, 9630166), (49, 7861360), (52, 7407820), (56, 6878690), (65, 5926256), (70, 5502952), (80, 4815083), (91, 4233040), (98, 3930680), (104, 3703910), (112, 3439345), (130, 2963128), (140, 2751476), (182, 2116520), (196, 1965340), (208, 1851955), (245, 1572272), (260, 1481564), (280, 1375738), (364, 1058260), (392, 982670), (455, 846608), (490, 786136), (520, 740782), (560, 687869), (637, 604720), (728, 529130), (784, 491335), (910, 423304), (980, 393068), (1040, 370391), (1274, 302360), (1456, 264565), (1820, 211652), (1960, 196534), (2548, 151180), (3185, 120944), (3640, 105826), (3920, 98267), (5096, 75590), (6370, 60472), (7280, 52913), (7559, 50960), (10192, 37795), (12740, 30236), (15118, 25480)]

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