About the Number

139820856

139820855 ← → 139820857

2進数表記:1000010101010111111100111000

漢数字表記:一億三千九百八十二万八百五十六

素因数分解:

2 3 × 3 1 × 7 1 × 313 1 × 2659 1

素因数の和:2988
約数の個数: 64
約数和(自身を含む): 400915200
約数和(自身を除く): 261094344

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 313, 626, 939, 1252, 1878, 2191, 2504, 2659, 3756, 4382, 5318, 6573, 7512, 7977, 8764, 10636, 13146, 15954, 17528, 18613, 21272, 26292, 31908, 37226, 52584, 55839, 63816, 74452, 111678, 148904, 223356, 446712, 832267, 1664534, 2496801, 3329068, 4993602, 5825869, 6658136, 9987204, 11651738, 17477607, 19974408, 23303476, 34955214, 46606952, 69910428, 139820856]

約数ペア:
[(1, 139820856), (2, 69910428), (3, 46606952), (4, 34955214), (6, 23303476), (7, 19974408), (8, 17477607), (12, 11651738), (14, 9987204), (21, 6658136), (24, 5825869), (28, 4993602), (42, 3329068), (56, 2496801), (84, 1664534), (168, 832267), (313, 446712), (626, 223356), (939, 148904), (1252, 111678), (1878, 74452), (2191, 63816), (2504, 55839), (2659, 52584), (3756, 37226), (4382, 31908), (5318, 26292), (6573, 21272), (7512, 18613), (7977, 17528), (8764, 15954), (10636, 13146)]

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