About the Number

201211620

201211619 ← → 201211621

2進数表記:1011111111100011111011100100

漢数字表記:二億百二十一万千六百二十

素因数分解:

2 2 × 3 1 × 5 1 × 43 1 × 167 1 × 467 1

素因数の和:689
約数の個数: 96
約数和(自身を含む): 581188608
約数和(自身を除く): 379976988

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 167, 172, 215, 258, 334, 430, 467, 501, 516, 645, 668, 835, 860, 934, 1002, 1290, 1401, 1670, 1868, 2004, 2335, 2505, 2580, 2802, 3340, 4670, 5010, 5604, 7005, 7181, 9340, 10020, 14010, 14362, 20081, 21543, 28020, 28724, 35905, 40162, 43086, 60243, 71810, 77989, 80324, 86172, 100405, 107715, 120486, 143620, 155978, 200810, 215430, 233967, 240972, 301215, 311956, 389945, 401620, 430860, 467934, 602430, 779890, 935868, 1169835, 1204860, 1559780, 2339670, 3353527, 4679340, 6707054, 10060581, 13414108, 16767635, 20121162, 33535270, 40242324, 50302905, 67070540, 100605810, 201211620]

約数ペア:
[(1, 201211620), (2, 100605810), (3, 67070540), (4, 50302905), (5, 40242324), (6, 33535270), (10, 20121162), (12, 16767635), (15, 13414108), (20, 10060581), (30, 6707054), (43, 4679340), (60, 3353527), (86, 2339670), (129, 1559780), (167, 1204860), (172, 1169835), (215, 935868), (258, 779890), (334, 602430), (430, 467934), (467, 430860), (501, 401620), (516, 389945), (645, 311956), (668, 301215), (835, 240972), (860, 233967), (934, 215430), (1002, 200810), (1290, 155978), (1401, 143620), (1670, 120486), (1868, 107715), (2004, 100405), (2335, 86172), (2505, 80324), (2580, 77989), (2802, 71810), (3340, 60243), (4670, 43086), (5010, 40162), (5604, 35905), (7005, 28724), (7181, 28020), (9340, 21543), (10020, 20081), (14010, 14362)]

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