About the Number

201216090

201216089 ← → 201216091

2進数表記:1011111111100101000001011010

漢数字表記:二億百二十一万六千九十

素因数分解:

2 1 × 3 1 × 5 1 × 53 1 × 126551 1

素因数の和:126614
約数の個数: 32
約数和(自身を含む): 492034176
約数和(自身を除く): 290818086

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 126551, 253102, 379653, 632755, 759306, 1265510, 1898265, 3796530, 6707203, 13414406, 20121609, 33536015, 40243218, 67072030, 100608045, 201216090]

約数ペア:
[(1, 201216090), (2, 100608045), (3, 67072030), (5, 40243218), (6, 33536015), (10, 20121609), (15, 13414406), (30, 6707203), (53, 3796530), (106, 1898265), (159, 1265510), (265, 759306), (318, 632755), (530, 379653), (795, 253102), (1590, 126551)]

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