About the Number

802805220

802805219 ← → 802805221

2進数表記:101111110110011101010111100100

漢数字表記:八億二百八十万五千二百二十

素因数分解:

2 2 × 3 2 × 5 1 × 7 3 × 13003 1

素因数の和:13039
約数の個数: 144
約数和(自身を含む): 2840073600
約数和(自身を除く): 2037268380

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3087, 3430, 4116, 4410, 5145, 6174, 6860, 8820, 10290, 12348, 13003, 15435, 20580, 26006, 30870, 39009, 52012, 61740, 65015, 78018, 91021, 117027, 130030, 156036, 182042, 195045, 234054, 260060, 273063, 364084, 390090, 455105, 468108, 546126, 585135, 637147, 780180, 819189, 910210, 1092252, 1170270, 1274294, 1365315, 1638378, 1820420, 1911441, 2340540, 2548588, 2730630, 3185735, 3276756, 3822882, 4095945, 4460029, 5461260, 5734323, 6371470, 7645764, 8191890, 8920058, 9557205, 11468646, 12742940, 13380087, 16383780, 17840116, 19114410, 22300145, 22937292, 26760174, 28671615, 38228820, 40140261, 44600290, 53520348, 57343230, 66900435, 80280522, 89200580, 114686460, 133800870, 160561044, 200701305, 267601740, 401402610, 802805220]

約数ペア:
[(1, 802805220), (2, 401402610), (3, 267601740), (4, 200701305), (5, 160561044), (6, 133800870), (7, 114686460), (9, 89200580), (10, 80280522), (12, 66900435), (14, 57343230), (15, 53520348), (18, 44600290), (20, 40140261), (21, 38228820), (28, 28671615), (30, 26760174), (35, 22937292), (36, 22300145), (42, 19114410), (45, 17840116), (49, 16383780), (60, 13380087), (63, 12742940), (70, 11468646), (84, 9557205), (90, 8920058), (98, 8191890), (105, 7645764), (126, 6371470), (140, 5734323), (147, 5461260), (180, 4460029), (196, 4095945), (210, 3822882), (245, 3276756), (252, 3185735), (294, 2730630), (315, 2548588), (343, 2340540), (420, 1911441), (441, 1820420), (490, 1638378), (588, 1365315), (630, 1274294), (686, 1170270), (735, 1092252), (882, 910210), (980, 819189), (1029, 780180), (1260, 637147), (1372, 585135), (1470, 546126), (1715, 468108), (1764, 455105), (2058, 390090), (2205, 364084), (2940, 273063), (3087, 260060), (3430, 234054), (4116, 195045), (4410, 182042), (5145, 156036), (6174, 130030), (6860, 117027), (8820, 91021), (10290, 78018), (12348, 65015), (13003, 61740), (15435, 52012), (20580, 39009), (26006, 30870)]

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