About the Number

231928020

231928019 ← → 231928021

2進数表記:1101110100101111000011010100

漢数字表記:二億三千百九十二万八千二十

素因数分解:

2 2 × 3 2 × 5 1 × 109 1 × 11821 1

素因数の和:11945
約数の個数: 72
約数和(自身を含む): 710029320
約数和(自身を除く): 478101300

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 11821, 19620, 23642, 35463, 47284, 59105, 70926, 106389, 118210, 141852, 177315, 212778, 236420, 354630, 425556, 531945, 709260, 1063890, 1288489, 2127780, 2576978, 3865467, 5153956, 6442445, 7730934, 11596401, 12884890, 15461868, 19327335, 23192802, 25769780, 38654670, 46385604, 57982005, 77309340, 115964010, 231928020]

約数ペア:
[(1, 231928020), (2, 115964010), (3, 77309340), (4, 57982005), (5, 46385604), (6, 38654670), (9, 25769780), (10, 23192802), (12, 19327335), (15, 15461868), (18, 12884890), (20, 11596401), (30, 7730934), (36, 6442445), (45, 5153956), (60, 3865467), (90, 2576978), (109, 2127780), (180, 1288489), (218, 1063890), (327, 709260), (436, 531945), (545, 425556), (654, 354630), (981, 236420), (1090, 212778), (1308, 177315), (1635, 141852), (1962, 118210), (2180, 106389), (3270, 70926), (3924, 59105), (4905, 47284), (6540, 35463), (9810, 23642), (11821, 19620)]

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