About the Number

139910688

139910687 ← → 139910689

2進数表記:1000010101101101111000100000

漢数字表記:一億三千九百九十一万六百八十八

素因数分解:

2 5 × 3 2 × 31 1 × 15671 1

素因数の和:15718
約数の個数: 72
約数和(自身を含む): 410731776
約数和(自身を除く): 270821088

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 15671, 31342, 47013, 62684, 94026, 125368, 141039, 188052, 250736, 282078, 376104, 485801, 501472, 564156, 752208, 971602, 1128312, 1457403, 1504416, 1943204, 2256624, 2914806, 3886408, 4372209, 4513248, 5829612, 7772816, 8744418, 11659224, 15545632, 17488836, 23318448, 34977672, 46636896, 69955344, 139910688]

約数ペア:
[(1, 139910688), (2, 69955344), (3, 46636896), (4, 34977672), (6, 23318448), (8, 17488836), (9, 15545632), (12, 11659224), (16, 8744418), (18, 7772816), (24, 5829612), (31, 4513248), (32, 4372209), (36, 3886408), (48, 2914806), (62, 2256624), (72, 1943204), (93, 1504416), (96, 1457403), (124, 1128312), (144, 971602), (186, 752208), (248, 564156), (279, 501472), (288, 485801), (372, 376104), (496, 282078), (558, 250736), (744, 188052), (992, 141039), (1116, 125368), (1488, 94026), (2232, 62684), (2976, 47013), (4464, 31342), (8928, 15671)]

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