About the Number

1977009840

1977009839 ← → 1977009841

2進数表記:1110101110101101100011010110000

漢数字表記:十九億七千七百万九千八百四十

素因数分解:

2 4 × 3 2 × 5 1 × 13 1 × 211219 1

素因数の和:211251
約数の個数: 120
約数和(自身を含む): 7150219440
約数和(自身を除く): 5173209600

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 211219, 422438, 633657, 844876, 1056095, 1267314, 1689752, 1900971, 2112190, 2534628, 2745847, 3168285, 3379504, 3801942, 4224380, 5069256, 5491694, 6336570, 7603884, 8237541, 8448760, 9504855, 10138512, 10983388, 12673140, 13729235, 15207768, 16475082, 16897520, 19009710, 21966776, 24712623, 25346280, 27458470, 30415536, 32950164, 38019420, 41187705, 43933552, 49425246, 50692560, 54916940, 65900328, 76038840, 82375410, 98850492, 109833880, 123563115, 131800656, 152077680, 164750820, 197700984, 219667760, 247126230, 329501640, 395401968, 494252460, 659003280, 988504920, 1977009840]

約数ペア:
[(1, 1977009840), (2, 988504920), (3, 659003280), (4, 494252460), (5, 395401968), (6, 329501640), (8, 247126230), (9, 219667760), (10, 197700984), (12, 164750820), (13, 152077680), (15, 131800656), (16, 123563115), (18, 109833880), (20, 98850492), (24, 82375410), (26, 76038840), (30, 65900328), (36, 54916940), (39, 50692560), (40, 49425246), (45, 43933552), (48, 41187705), (52, 38019420), (60, 32950164), (65, 30415536), (72, 27458470), (78, 25346280), (80, 24712623), (90, 21966776), (104, 19009710), (117, 16897520), (120, 16475082), (130, 15207768), (144, 13729235), (156, 12673140), (180, 10983388), (195, 10138512), (208, 9504855), (234, 8448760), (240, 8237541), (260, 7603884), (312, 6336570), (360, 5491694), (390, 5069256), (468, 4224380), (520, 3801942), (585, 3379504), (624, 3168285), (720, 2745847), (780, 2534628), (936, 2112190), (1040, 1900971), (1170, 1689752), (1560, 1267314), (1872, 1056095), (2340, 844876), (3120, 633657), (4680, 422438), (9360, 211219)]

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