About the Number

201189100

201189099 ← → 201189101

2進数表記:1011111111011110011011101100

漢数字表記:二億百十八万九千百

素因数分解:

2 2 × 5 2 × 7 2 × 19 1 × 2161 1

素因数の和:2208
約数の個数: 108
約数和(自身を含む): 534835560
約数和(自身を除く): 333646460

約数列:
[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 245, 266, 350, 380, 475, 490, 532, 665, 700, 931, 950, 980, 1225, 1330, 1862, 1900, 2161, 2450, 2660, 3325, 3724, 4322, 4655, 4900, 6650, 8644, 9310, 10805, 13300, 15127, 18620, 21610, 23275, 30254, 41059, 43220, 46550, 54025, 60508, 75635, 82118, 93100, 105889, 108050, 151270, 164236, 205295, 211778, 216100, 287413, 302540, 378175, 410590, 423556, 529445, 574826, 756350, 821180, 1026475, 1058890, 1149652, 1437065, 1512700, 2011891, 2052950, 2117780, 2647225, 2874130, 4023782, 4105900, 5294450, 5748260, 7185325, 8047564, 10059455, 10588900, 14370650, 20118910, 28741300, 40237820, 50297275, 100594550, 201189100]

約数ペア:
[(1, 201189100), (2, 100594550), (4, 50297275), (5, 40237820), (7, 28741300), (10, 20118910), (14, 14370650), (19, 10588900), (20, 10059455), (25, 8047564), (28, 7185325), (35, 5748260), (38, 5294450), (49, 4105900), (50, 4023782), (70, 2874130), (76, 2647225), (95, 2117780), (98, 2052950), (100, 2011891), (133, 1512700), (140, 1437065), (175, 1149652), (190, 1058890), (196, 1026475), (245, 821180), (266, 756350), (350, 574826), (380, 529445), (475, 423556), (490, 410590), (532, 378175), (665, 302540), (700, 287413), (931, 216100), (950, 211778), (980, 205295), (1225, 164236), (1330, 151270), (1862, 108050), (1900, 105889), (2161, 93100), (2450, 82118), (2660, 75635), (3325, 60508), (3724, 54025), (4322, 46550), (4655, 43220), (4900, 41059), (6650, 30254), (8644, 23275), (9310, 21610), (10805, 18620), (13300, 15127)]

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