About the Number

138618900

138618899 ← → 138618901

2進数表記:1000010000110010100000010100

漢数字表記:一億三千八百六十一万八千九百

素因数分解:

2 2 × 3 2 × 5 2 × 7 1 × 22003 1

素因数の和:22030
約数の個数: 108
約数和(自身を含む): 496586272
約数和(自身を除く): 357967372

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 22003, 44006, 66009, 88012, 110015, 132018, 154021, 198027, 220030, 264036, 308042, 330045, 396054, 440060, 462063, 550075, 616084, 660090, 770105, 792108, 924126, 990135, 1100150, 1320180, 1386189, 1540210, 1650225, 1848252, 1980270, 2200300, 2310315, 2772378, 3080420, 3300450, 3850525, 3960540, 4620630, 4950675, 5544756, 6600900, 6930945, 7701050, 9241260, 9901350, 11551575, 13861890, 15402100, 19802700, 23103150, 27723780, 34654725, 46206300, 69309450, 138618900]

約数ペア:
[(1, 138618900), (2, 69309450), (3, 46206300), (4, 34654725), (5, 27723780), (6, 23103150), (7, 19802700), (9, 15402100), (10, 13861890), (12, 11551575), (14, 9901350), (15, 9241260), (18, 7701050), (20, 6930945), (21, 6600900), (25, 5544756), (28, 4950675), (30, 4620630), (35, 3960540), (36, 3850525), (42, 3300450), (45, 3080420), (50, 2772378), (60, 2310315), (63, 2200300), (70, 1980270), (75, 1848252), (84, 1650225), (90, 1540210), (100, 1386189), (105, 1320180), (126, 1100150), (140, 990135), (150, 924126), (175, 792108), (180, 770105), (210, 660090), (225, 616084), (252, 550075), (300, 462063), (315, 440060), (350, 396054), (420, 330045), (450, 308042), (525, 264036), (630, 220030), (700, 198027), (900, 154021), (1050, 132018), (1260, 110015), (1575, 88012), (2100, 66009), (3150, 44006), (6300, 22003)]

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