About the Number

201899142

201899141 ← → 201899143

2進数表記:1100000010001011110010000110

漢数字表記:二億百八十九万九千百四十二

素因数分解:

2 1 × 3 4 × 61 1 × 20431 1

素因数の和:20506
約数の個数: 40
約数和(自身を含む): 459842592
約数和(自身を除く): 257943450

約数列:
[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 3294, 4941, 9882, 20431, 40862, 61293, 122586, 183879, 367758, 551637, 1103274, 1246291, 1654911, 2492582, 3309822, 3738873, 7477746, 11216619, 22433238, 33649857, 67299714, 100949571, 201899142]

約数ペア:
[(1, 201899142), (2, 100949571), (3, 67299714), (6, 33649857), (9, 22433238), (18, 11216619), (27, 7477746), (54, 3738873), (61, 3309822), (81, 2492582), (122, 1654911), (162, 1246291), (183, 1103274), (366, 551637), (549, 367758), (1098, 183879), (1647, 122586), (3294, 61293), (4941, 40862), (9882, 20431)]

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