About the Number

212860440

212860439 ← → 212860441

2進数表記:1100101011111111111000011000

漢数字表記:二億千二百八十六万四百四十

素因数分解:

2 3 × 3 3 × 5 1 × 13 1 × 15161 1

素因数の和:15194
約数の個数: 128
約数和(自身を含む): 764164800
約数和(自身を除く): 551304360

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 15161, 30322, 45483, 60644, 75805, 90966, 121288, 136449, 151610, 181932, 197093, 227415, 272898, 303220, 363864, 394186, 409347, 454830, 545796, 591279, 606440, 682245, 788372, 818694, 909660, 985465, 1091592, 1182558, 1364490, 1576744, 1637388, 1773837, 1819320, 1970930, 2046735, 2365116, 2728980, 2956395, 3274776, 3547674, 3941860, 4093470, 4730232, 5321511, 5457960, 5912790, 7095348, 7883720, 8186940, 8869185, 10643022, 11825580, 14190696, 16373880, 17738370, 21286044, 23651160, 26607555, 35476740, 42572088, 53215110, 70953480, 106430220, 212860440]

約数ペア:
[(1, 212860440), (2, 106430220), (3, 70953480), (4, 53215110), (5, 42572088), (6, 35476740), (8, 26607555), (9, 23651160), (10, 21286044), (12, 17738370), (13, 16373880), (15, 14190696), (18, 11825580), (20, 10643022), (24, 8869185), (26, 8186940), (27, 7883720), (30, 7095348), (36, 5912790), (39, 5457960), (40, 5321511), (45, 4730232), (52, 4093470), (54, 3941860), (60, 3547674), (65, 3274776), (72, 2956395), (78, 2728980), (90, 2365116), (104, 2046735), (108, 1970930), (117, 1819320), (120, 1773837), (130, 1637388), (135, 1576744), (156, 1364490), (180, 1182558), (195, 1091592), (216, 985465), (234, 909660), (260, 818694), (270, 788372), (312, 682245), (351, 606440), (360, 591279), (390, 545796), (468, 454830), (520, 409347), (540, 394186), (585, 363864), (702, 303220), (780, 272898), (936, 227415), (1080, 197093), (1170, 181932), (1404, 151610), (1560, 136449), (1755, 121288), (2340, 90966), (2808, 75805), (3510, 60644), (4680, 45483), (7020, 30322), (14040, 15161)]

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