About the Number

138860280

138860279 ← → 138860281

2進数表記:1000010001101101011011111000

漢数字表記:一億三千八百八十六万二百八十

素因数分解:

2 3 × 3 2 × 5 1 × 13 1 × 29671 1

素因数の和:29701
約数の個数: 96
約数和(自身を含む): 486027360
約数和(自身を除く): 347167080

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 29671, 59342, 89013, 118684, 148355, 178026, 237368, 267039, 296710, 356052, 385723, 445065, 534078, 593420, 712104, 771446, 890130, 1068156, 1157169, 1186840, 1335195, 1542892, 1780260, 1928615, 2136312, 2314338, 2670390, 3085784, 3471507, 3560520, 3857230, 4628676, 5340780, 5785845, 6943014, 7714460, 9257352, 10681560, 11571690, 13886028, 15428920, 17357535, 23143380, 27772056, 34715070, 46286760, 69430140, 138860280]

約数ペア:
[(1, 138860280), (2, 69430140), (3, 46286760), (4, 34715070), (5, 27772056), (6, 23143380), (8, 17357535), (9, 15428920), (10, 13886028), (12, 11571690), (13, 10681560), (15, 9257352), (18, 7714460), (20, 6943014), (24, 5785845), (26, 5340780), (30, 4628676), (36, 3857230), (39, 3560520), (40, 3471507), (45, 3085784), (52, 2670390), (60, 2314338), (65, 2136312), (72, 1928615), (78, 1780260), (90, 1542892), (104, 1335195), (117, 1186840), (120, 1157169), (130, 1068156), (156, 890130), (180, 771446), (195, 712104), (234, 593420), (260, 534078), (312, 445065), (360, 385723), (390, 356052), (468, 296710), (520, 267039), (585, 237368), (780, 178026), (936, 148355), (1170, 118684), (1560, 89013), (2340, 59342), (4680, 29671)]

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