About the Number

28118440

28118439 ← → 28118441

2進数表記:1101011010000110110101000

漢数字表記:二千八百十一万八千四百四十

素因数分解:

2 3 × 5 1 × 7 1 × 233 1 × 431 1

素因数の和:682
約数の個数: 64
約数和(自身を含む): 72783360
約数和(自身を除く): 44664920

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 431, 466, 862, 932, 1165, 1631, 1724, 1864, 2155, 2330, 3017, 3262, 3448, 4310, 4660, 6034, 6524, 8155, 8620, 9320, 12068, 13048, 15085, 16310, 17240, 24136, 30170, 32620, 60340, 65240, 100423, 120680, 200846, 401692, 502115, 702961, 803384, 1004230, 1405922, 2008460, 2811844, 3514805, 4016920, 5623688, 7029610, 14059220, 28118440]

約数ペア:
[(1, 28118440), (2, 14059220), (4, 7029610), (5, 5623688), (7, 4016920), (8, 3514805), (10, 2811844), (14, 2008460), (20, 1405922), (28, 1004230), (35, 803384), (40, 702961), (56, 502115), (70, 401692), (140, 200846), (233, 120680), (280, 100423), (431, 65240), (466, 60340), (862, 32620), (932, 30170), (1165, 24136), (1631, 17240), (1724, 16310), (1864, 15085), (2155, 13048), (2330, 12068), (3017, 9320), (3262, 8620), (3448, 8155), (4310, 6524), (4660, 6034)]

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