About the Number

421182020

421182019 ← → 421182021

2進数表記:11001000110101011101001000100

漢数字表記:四億二千百十八万二千二十

素因数分解:

2 2 × 5 1 × 7 1 × 503 1 × 5981 1

素因数の和:6500
約数の個数: 48
約数和(自身を含む): 1013015808
約数和(自身を除く): 591833788

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 2012, 2515, 3521, 5030, 5981, 7042, 10060, 11962, 14084, 17605, 23924, 29905, 35210, 41867, 59810, 70420, 83734, 119620, 167468, 209335, 418670, 837340, 3008443, 6016886, 12033772, 15042215, 21059101, 30084430, 42118202, 60168860, 84236404, 105295505, 210591010, 421182020]

約数ペア:
[(1, 421182020), (2, 210591010), (4, 105295505), (5, 84236404), (7, 60168860), (10, 42118202), (14, 30084430), (20, 21059101), (28, 15042215), (35, 12033772), (70, 6016886), (140, 3008443), (503, 837340), (1006, 418670), (2012, 209335), (2515, 167468), (3521, 119620), (5030, 83734), (5981, 70420), (7042, 59810), (10060, 41867), (11962, 35210), (14084, 29905), (17605, 23924)]

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