About the Number

121085900

121085899 ← → 121085901

2進数表記:111001101111001111111001100

漢数字表記:一億二千百八万五千九百

素因数分解:

2 2 × 5 2 × 13 1 × 17 1 × 5479 1

素因数の和:5523
約数の個数: 72
約数和(自身を含む): 299668320
約数和(自身を除く): 178582420

約数列:
[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5479, 5525, 10958, 11050, 21916, 22100, 27395, 54790, 71227, 93143, 109580, 136975, 142454, 186286, 273950, 284908, 356135, 372572, 465715, 547900, 712270, 931430, 1210859, 1424540, 1780675, 1862860, 2328575, 2421718, 3561350, 4657150, 4843436, 6054295, 7122700, 9314300, 12108590, 24217180, 30271475, 60542950, 121085900]

約数ペア:
[(1, 121085900), (2, 60542950), (4, 30271475), (5, 24217180), (10, 12108590), (13, 9314300), (17, 7122700), (20, 6054295), (25, 4843436), (26, 4657150), (34, 3561350), (50, 2421718), (52, 2328575), (65, 1862860), (68, 1780675), (85, 1424540), (100, 1210859), (130, 931430), (170, 712270), (221, 547900), (260, 465715), (325, 372572), (340, 356135), (425, 284908), (442, 273950), (650, 186286), (850, 142454), (884, 136975), (1105, 109580), (1300, 93143), (1700, 71227), (2210, 54790), (4420, 27395), (5479, 22100), (5525, 21916), (10958, 11050)]

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