About the Number

138781200

138781199 ← → 138781201

2進数表記:1000010001011010001000010000

漢数字表記:一億三千八百七十八万千二百

素因数分解:

2 4 × 3 1 × 5 2 × 17 1 × 6803 1

素因数の和:6841
約数の個数: 120
約数和(自身を含む): 470782368
約数和(自身を除く): 332001168

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 1020, 1200, 1275, 1360, 1700, 2040, 2550, 3400, 4080, 5100, 6800, 6803, 10200, 13606, 20400, 20409, 27212, 34015, 40818, 54424, 68030, 81636, 102045, 108848, 115651, 136060, 163272, 170075, 204090, 231302, 272120, 326544, 340150, 346953, 408180, 462604, 510225, 544240, 578255, 680300, 693906, 816360, 925208, 1020450, 1156510, 1360600, 1387812, 1632720, 1734765, 1850416, 2040900, 2313020, 2721200, 2775624, 2891275, 3469530, 4081800, 4626040, 5551248, 5782550, 6939060, 8163600, 8673825, 9252080, 11565100, 13878120, 17347650, 23130200, 27756240, 34695300, 46260400, 69390600, 138781200]

約数ペア:
[(1, 138781200), (2, 69390600), (3, 46260400), (4, 34695300), (5, 27756240), (6, 23130200), (8, 17347650), (10, 13878120), (12, 11565100), (15, 9252080), (16, 8673825), (17, 8163600), (20, 6939060), (24, 5782550), (25, 5551248), (30, 4626040), (34, 4081800), (40, 3469530), (48, 2891275), (50, 2775624), (51, 2721200), (60, 2313020), (68, 2040900), (75, 1850416), (80, 1734765), (85, 1632720), (100, 1387812), (102, 1360600), (120, 1156510), (136, 1020450), (150, 925208), (170, 816360), (200, 693906), (204, 680300), (240, 578255), (255, 544240), (272, 510225), (300, 462604), (340, 408180), (400, 346953), (408, 340150), (425, 326544), (510, 272120), (600, 231302), (680, 204090), (816, 170075), (850, 163272), (1020, 136060), (1200, 115651), (1275, 108848), (1360, 102045), (1700, 81636), (2040, 68030), (2550, 54424), (3400, 40818), (4080, 34015), (5100, 27212), (6800, 20409), (6803, 20400), (10200, 13606)]

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