About the Number

139866880

139866879 ← → 139866881

2進数表記:1000010101100011001100000000

漢数字表記:一億三千九百八十六万六千八百八十

素因数分解:

2 8 × 5 1 × 113 1 × 967 1

素因数の和:1101
約数の個数: 72
約数和(自身を含む): 338339232
約数和(自身を除く): 198472352

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 565, 640, 904, 967, 1130, 1280, 1808, 1934, 2260, 3616, 3868, 4520, 4835, 7232, 7736, 9040, 9670, 14464, 15472, 18080, 19340, 28928, 30944, 36160, 38680, 61888, 72320, 77360, 109271, 123776, 144640, 154720, 218542, 247552, 309440, 437084, 546355, 618880, 874168, 1092710, 1237760, 1748336, 2185420, 3496672, 4370840, 6993344, 8741680, 13986688, 17483360, 27973376, 34966720, 69933440, 139866880]

約数ペア:
[(1, 139866880), (2, 69933440), (4, 34966720), (5, 27973376), (8, 17483360), (10, 13986688), (16, 8741680), (20, 6993344), (32, 4370840), (40, 3496672), (64, 2185420), (80, 1748336), (113, 1237760), (128, 1092710), (160, 874168), (226, 618880), (256, 546355), (320, 437084), (452, 309440), (565, 247552), (640, 218542), (904, 154720), (967, 144640), (1130, 123776), (1280, 109271), (1808, 77360), (1934, 72320), (2260, 61888), (3616, 38680), (3868, 36160), (4520, 30944), (4835, 28928), (7232, 19340), (7736, 18080), (9040, 15472), (9670, 14464)]

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