About the Number

201987100

201987099 ← → 201987101

2進数表記:1100000010100001010000011100

漢数字表記:二億百九十八万七千百

素因数分解:

2 2 × 5 2 × 7 1 × 19 1 × 15187 1

素因数の和:15227
約数の個数: 72
約数和(自身を含む): 527327360
約数和(自身を除く): 325340260

約数列:
[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 15187, 30374, 60748, 75935, 106309, 151870, 212618, 288553, 303740, 379675, 425236, 531545, 577106, 759350, 1063090, 1154212, 1442765, 1518700, 2019871, 2126180, 2657725, 2885530, 4039742, 5315450, 5771060, 7213825, 8079484, 10099355, 10630900, 14427650, 20198710, 28855300, 40397420, 50496775, 100993550, 201987100]

約数ペア:
[(1, 201987100), (2, 100993550), (4, 50496775), (5, 40397420), (7, 28855300), (10, 20198710), (14, 14427650), (19, 10630900), (20, 10099355), (25, 8079484), (28, 7213825), (35, 5771060), (38, 5315450), (50, 4039742), (70, 2885530), (76, 2657725), (95, 2126180), (100, 2019871), (133, 1518700), (140, 1442765), (175, 1154212), (190, 1063090), (266, 759350), (350, 577106), (380, 531545), (475, 425236), (532, 379675), (665, 303740), (700, 288553), (950, 212618), (1330, 151870), (1900, 106309), (2660, 75935), (3325, 60748), (6650, 30374), (13300, 15187)]

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