About the Number

121855020

121855019 ← → 121855021

2進数表記:111010000110101110000101100

漢数字表記:一億二千百八十五万五千二十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 47 1 × 6173 1

素因数の和:6239
約数の個数: 96
約数和(自身を含む): 398297088
約数和(自身を除く): 276442068

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6173, 6580, 9870, 12346, 18519, 19740, 24692, 30865, 37038, 43211, 61730, 74076, 86422, 92595, 123460, 129633, 172844, 185190, 216055, 259266, 290131, 370380, 432110, 518532, 580262, 648165, 864220, 870393, 1160524, 1296330, 1450655, 1740786, 2030917, 2592660, 2901310, 3481572, 4061834, 4351965, 5802620, 6092751, 8123668, 8703930, 10154585, 12185502, 17407860, 20309170, 24371004, 30463755, 40618340, 60927510, 121855020]

約数ペア:
[(1, 121855020), (2, 60927510), (3, 40618340), (4, 30463755), (5, 24371004), (6, 20309170), (7, 17407860), (10, 12185502), (12, 10154585), (14, 8703930), (15, 8123668), (20, 6092751), (21, 5802620), (28, 4351965), (30, 4061834), (35, 3481572), (42, 2901310), (47, 2592660), (60, 2030917), (70, 1740786), (84, 1450655), (94, 1296330), (105, 1160524), (140, 870393), (141, 864220), (188, 648165), (210, 580262), (235, 518532), (282, 432110), (329, 370380), (420, 290131), (470, 259266), (564, 216055), (658, 185190), (705, 172844), (940, 129633), (987, 123460), (1316, 92595), (1410, 86422), (1645, 74076), (1974, 61730), (2820, 43211), (3290, 37038), (3948, 30865), (4935, 24692), (6173, 19740), (6580, 18519), (9870, 12346)]

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