About the Number

201802080

201802079 ← → 201802081

2進数表記:1100000001110100000101100000

漢数字表記:二億百八十万二千八十

素因数分解:

2 5 × 3 1 × 5 1 × 420421 1

素因数の和:420439
約数の個数: 48
約数和(自身を含む): 635678064
約数和(自身を除く): 433875984

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 420421, 840842, 1261263, 1681684, 2102105, 2522526, 3363368, 4204210, 5045052, 6306315, 6726736, 8408420, 10090104, 12612630, 13453472, 16816840, 20180208, 25225260, 33633680, 40360416, 50450520, 67267360, 100901040, 201802080]

約数ペア:
[(1, 201802080), (2, 100901040), (3, 67267360), (4, 50450520), (5, 40360416), (6, 33633680), (8, 25225260), (10, 20180208), (12, 16816840), (15, 13453472), (16, 12612630), (20, 10090104), (24, 8408420), (30, 6726736), (32, 6306315), (40, 5045052), (48, 4204210), (60, 3363368), (80, 2522526), (96, 2102105), (120, 1681684), (160, 1261263), (240, 840842), (480, 420421)]

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