About the Number

231891000

231890999 ← → 231891001

2進数表記:1101110100100110000000111000

漢数字表記:二億三千百八十九万千

素因数分解:

2 3 × 3 1 × 5 3 × 11 1 × 7027 1

素因数の和:7062
約数の個数: 128
約数和(自身を含む): 789384960
約数和(自身を除く): 557493960

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 600, 660, 750, 825, 1000, 1100, 1320, 1375, 1500, 1650, 2200, 2750, 3000, 3300, 4125, 5500, 6600, 7027, 8250, 11000, 14054, 16500, 21081, 28108, 33000, 35135, 42162, 56216, 70270, 77297, 84324, 105405, 140540, 154594, 168648, 175675, 210810, 231891, 281080, 309188, 351350, 386485, 421620, 463782, 527025, 618376, 702700, 772970, 843240, 878375, 927564, 1054050, 1159455, 1405400, 1545940, 1756750, 1855128, 1932425, 2108100, 2318910, 2635125, 3091880, 3513500, 3864850, 4216200, 4637820, 5270250, 5797275, 7027000, 7729700, 9275640, 9662125, 10540500, 11594550, 15459400, 19324250, 21081000, 23189100, 28986375, 38648500, 46378200, 57972750, 77297000, 115945500, 231891000]

約数ペア:
[(1, 231891000), (2, 115945500), (3, 77297000), (4, 57972750), (5, 46378200), (6, 38648500), (8, 28986375), (10, 23189100), (11, 21081000), (12, 19324250), (15, 15459400), (20, 11594550), (22, 10540500), (24, 9662125), (25, 9275640), (30, 7729700), (33, 7027000), (40, 5797275), (44, 5270250), (50, 4637820), (55, 4216200), (60, 3864850), (66, 3513500), (75, 3091880), (88, 2635125), (100, 2318910), (110, 2108100), (120, 1932425), (125, 1855128), (132, 1756750), (150, 1545940), (165, 1405400), (200, 1159455), (220, 1054050), (250, 927564), (264, 878375), (275, 843240), (300, 772970), (330, 702700), (375, 618376), (440, 527025), (500, 463782), (550, 421620), (600, 386485), (660, 351350), (750, 309188), (825, 281080), (1000, 231891), (1100, 210810), (1320, 175675), (1375, 168648), (1500, 154594), (1650, 140540), (2200, 105405), (2750, 84324), (3000, 77297), (3300, 70270), (4125, 56216), (5500, 42162), (6600, 35135), (7027, 33000), (8250, 28108), (11000, 21081), (14054, 16500)]

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