About the Number

201669390

201669389 ← → 201669391

2進数表記:1100000001010011101100001110

漢数字表記:二億百六十六万九千三百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 2 × 13259 1

素因数の和:13298
約数の個数: 72
約数和(自身を含む): 567819720
約数和(自身を除く): 366150330

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 7605, 13259, 15210, 26518, 39777, 66295, 79554, 119331, 132590, 172367, 198885, 238662, 344734, 397770, 517101, 596655, 861835, 1034202, 1193310, 1551303, 1723670, 2240771, 2585505, 3102606, 4481542, 5171010, 6722313, 7756515, 11203855, 13444626, 15513030, 20166939, 22407710, 33611565, 40333878, 67223130, 100834695, 201669390]

約数ペア:
[(1, 201669390), (2, 100834695), (3, 67223130), (5, 40333878), (6, 33611565), (9, 22407710), (10, 20166939), (13, 15513030), (15, 13444626), (18, 11203855), (26, 7756515), (30, 6722313), (39, 5171010), (45, 4481542), (65, 3102606), (78, 2585505), (90, 2240771), (117, 1723670), (130, 1551303), (169, 1193310), (195, 1034202), (234, 861835), (338, 596655), (390, 517101), (507, 397770), (585, 344734), (845, 238662), (1014, 198885), (1170, 172367), (1521, 132590), (1690, 119331), (2535, 79554), (3042, 66295), (5070, 39777), (7605, 26518), (13259, 15210)]

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