About the Number

1990249920

1990249919 ← → 1990249921

2進数表記:1110110101000001100110111000000

漢数字表記:十九億九千二十四万九千九百二十

素因数分解:

2 6 × 3 3 × 5 1 × 230353 1

素因数の和:230379
約数の個数: 112
約数和(自身を含む): 7021189920
約数和(自身を除く): 5030940000

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 230353, 460706, 691059, 921412, 1151765, 1382118, 1842824, 2073177, 2303530, 2764236, 3455295, 3685648, 4146354, 4607060, 5528472, 6219531, 6910590, 7371296, 8292708, 9214120, 10365885, 11056944, 12439062, 13821180, 14742592, 16585416, 18428240, 20731770, 22113888, 24878124, 27642360, 31097655, 33170832, 36856480, 41463540, 44227776, 49756248, 55284720, 62195310, 66341664, 73712960, 82927080, 99512496, 110569440, 124390620, 132683328, 165854160, 199024992, 221138880, 248781240, 331708320, 398049984, 497562480, 663416640, 995124960, 1990249920]

約数ペア:
[(1, 1990249920), (2, 995124960), (3, 663416640), (4, 497562480), (5, 398049984), (6, 331708320), (8, 248781240), (9, 221138880), (10, 199024992), (12, 165854160), (15, 132683328), (16, 124390620), (18, 110569440), (20, 99512496), (24, 82927080), (27, 73712960), (30, 66341664), (32, 62195310), (36, 55284720), (40, 49756248), (45, 44227776), (48, 41463540), (54, 36856480), (60, 33170832), (64, 31097655), (72, 27642360), (80, 24878124), (90, 22113888), (96, 20731770), (108, 18428240), (120, 16585416), (135, 14742592), (144, 13821180), (160, 12439062), (180, 11056944), (192, 10365885), (216, 9214120), (240, 8292708), (270, 7371296), (288, 6910590), (320, 6219531), (360, 5528472), (432, 4607060), (480, 4146354), (540, 3685648), (576, 3455295), (720, 2764236), (864, 2303530), (960, 2073177), (1080, 1842824), (1440, 1382118), (1728, 1151765), (2160, 921412), (2880, 691059), (4320, 460706), (8640, 230353)]

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