About the Number

42187880

42187879 ← → 42187881

2進数表記:10100000111011110001101000

漢数字表記:四千二百十八万七千八百八十

素因数分解:

2 3 × 5 1 × 7 1 × 17 1 × 8863 1

素因数の和:8898
約数の個数: 64
約数和(自身を含む): 114877440
約数和(自身を除く): 72689560

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 8863, 17726, 35452, 44315, 62041, 70904, 88630, 124082, 150671, 177260, 248164, 301342, 310205, 354520, 496328, 602684, 620410, 753355, 1054697, 1205368, 1240820, 1506710, 2109394, 2481640, 3013420, 4218788, 5273485, 6026840, 8437576, 10546970, 21093940, 42187880]

約数ペア:
[(1, 42187880), (2, 21093940), (4, 10546970), (5, 8437576), (7, 6026840), (8, 5273485), (10, 4218788), (14, 3013420), (17, 2481640), (20, 2109394), (28, 1506710), (34, 1240820), (35, 1205368), (40, 1054697), (56, 753355), (68, 620410), (70, 602684), (85, 496328), (119, 354520), (136, 310205), (140, 301342), (170, 248164), (238, 177260), (280, 150671), (340, 124082), (476, 88630), (595, 70904), (680, 62041), (952, 44315), (1190, 35452), (2380, 17726), (4760, 8863)]

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