About the Number

131912400

131912399 ← → 131912401

2進数表記:111110111001101001011010000

漢数字表記:一億三千百九十一万二千四百

素因数分解:

2 4 × 3 1 × 5 2 × 37 1 × 2971 1

素因数の和:3029
約数の個数: 120
約数和(自身を含む): 434125984
約数和(自身を除く): 302213584

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 148, 150, 185, 200, 222, 240, 296, 300, 370, 400, 444, 555, 592, 600, 740, 888, 925, 1110, 1200, 1480, 1776, 1850, 2220, 2775, 2960, 2971, 3700, 4440, 5550, 5942, 7400, 8880, 8913, 11100, 11884, 14800, 14855, 17826, 22200, 23768, 29710, 35652, 44400, 44565, 47536, 59420, 71304, 74275, 89130, 109927, 118840, 142608, 148550, 178260, 219854, 222825, 237680, 297100, 329781, 356520, 439708, 445650, 549635, 594200, 659562, 713040, 879416, 891300, 1099270, 1188400, 1319124, 1648905, 1758832, 1782600, 2198540, 2638248, 2748175, 3297810, 3565200, 4397080, 5276496, 5496350, 6595620, 8244525, 8794160, 10992700, 13191240, 16489050, 21985400, 26382480, 32978100, 43970800, 65956200, 131912400]

約数ペア:
[(1, 131912400), (2, 65956200), (3, 43970800), (4, 32978100), (5, 26382480), (6, 21985400), (8, 16489050), (10, 13191240), (12, 10992700), (15, 8794160), (16, 8244525), (20, 6595620), (24, 5496350), (25, 5276496), (30, 4397080), (37, 3565200), (40, 3297810), (48, 2748175), (50, 2638248), (60, 2198540), (74, 1782600), (75, 1758832), (80, 1648905), (100, 1319124), (111, 1188400), (120, 1099270), (148, 891300), (150, 879416), (185, 713040), (200, 659562), (222, 594200), (240, 549635), (296, 445650), (300, 439708), (370, 356520), (400, 329781), (444, 297100), (555, 237680), (592, 222825), (600, 219854), (740, 178260), (888, 148550), (925, 142608), (1110, 118840), (1200, 109927), (1480, 89130), (1776, 74275), (1850, 71304), (2220, 59420), (2775, 47536), (2960, 44565), (2971, 44400), (3700, 35652), (4440, 29710), (5550, 23768), (5942, 22200), (7400, 17826), (8880, 14855), (8913, 14800), (11100, 11884)]

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