About the Number

85721200

85721199 ← → 85721201

2進数表記:101000111000000000001110000

漢数字表記:八千五百七十二万千二百

素因数分解:

2 4 × 5 2 × 31 2 × 223 1

素因数の和:303
約数の個数: 90
約数和(自身を含む): 213757152
約数和(自身を除く): 128035952

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 223, 248, 310, 400, 446, 496, 620, 775, 892, 961, 1115, 1240, 1550, 1784, 1922, 2230, 2480, 3100, 3568, 3844, 4460, 4805, 5575, 6200, 6913, 7688, 8920, 9610, 11150, 12400, 13826, 15376, 17840, 19220, 22300, 24025, 27652, 34565, 38440, 44600, 48050, 55304, 69130, 76880, 89200, 96100, 110608, 138260, 172825, 192200, 214303, 276520, 345650, 384400, 428606, 553040, 691300, 857212, 1071515, 1382600, 1714424, 2143030, 2765200, 3428848, 4286060, 5357575, 8572120, 10715150, 17144240, 21430300, 42860600, 85721200]

約数ペア:
[(1, 85721200), (2, 42860600), (4, 21430300), (5, 17144240), (8, 10715150), (10, 8572120), (16, 5357575), (20, 4286060), (25, 3428848), (31, 2765200), (40, 2143030), (50, 1714424), (62, 1382600), (80, 1071515), (100, 857212), (124, 691300), (155, 553040), (200, 428606), (223, 384400), (248, 345650), (310, 276520), (400, 214303), (446, 192200), (496, 172825), (620, 138260), (775, 110608), (892, 96100), (961, 89200), (1115, 76880), (1240, 69130), (1550, 55304), (1784, 48050), (1922, 44600), (2230, 38440), (2480, 34565), (3100, 27652), (3568, 24025), (3844, 22300), (4460, 19220), (4805, 17840), (5575, 15376), (6200, 13826), (6913, 12400), (7688, 11150), (8920, 9610)]

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