About the Number

201212730

201212729 ← → 201212731

2進数表記:1011111111100100001100111010

漢数字表記:二億百二十一万二千七百三十

素因数分解:

2 1 × 3 2 × 5 1 × 29 1 × 77093 1

素因数の和:77135
約数の個数: 48
約数和(自身を含む): 541199880
約数和(自身を除く): 339987150

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 77093, 154186, 231279, 385465, 462558, 693837, 770930, 1156395, 1387674, 2235697, 2312790, 3469185, 4471394, 6707091, 6938370, 11178485, 13414182, 20121273, 22356970, 33535455, 40242546, 67070910, 100606365, 201212730]

約数ペア:
[(1, 201212730), (2, 100606365), (3, 67070910), (5, 40242546), (6, 33535455), (9, 22356970), (10, 20121273), (15, 13414182), (18, 11178485), (29, 6938370), (30, 6707091), (45, 4471394), (58, 3469185), (87, 2312790), (90, 2235697), (145, 1387674), (174, 1156395), (261, 770930), (290, 693837), (435, 462558), (522, 385465), (870, 231279), (1305, 154186), (2610, 77093)]

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