About the Number

12102790

12102789 ← → 12102791

2進数表記:101110001010110010000110

漢数字表記:千二百十万二千七百九十

素因数分解:

2 1 × 5 1 × 7 1 × 41 1 × 4217 1

素因数の和:4272
約数の個数: 32
約数和(自身を含む): 25510464
約数和(自身を除く): 13407674

約数列:
[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 4217, 8434, 21085, 29519, 42170, 59038, 147595, 172897, 295190, 345794, 864485, 1210279, 1728970, 2420558, 6051395, 12102790]

約数ペア:
[(1, 12102790), (2, 6051395), (5, 2420558), (7, 1728970), (10, 1210279), (14, 864485), (35, 345794), (41, 295190), (70, 172897), (82, 147595), (205, 59038), (287, 42170), (410, 29519), (574, 21085), (1435, 8434), (2870, 4217)]

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