About the Number

131409540

131409539 ← → 131409541

2進数表記:111110101010010011010000100

漢数字表記:一億三千百四十万九千五百四十

素因数分解:

2 2 × 3 6 × 5 1 × 9013 1

素因数の和:9040
約数の個数: 84
約数和(自身を含む): 413796684
約数和(自身を除く): 282387144

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 9013, 14580, 18026, 27039, 36052, 45065, 54078, 81117, 90130, 108156, 135195, 162234, 180260, 243351, 270390, 324468, 405585, 486702, 540780, 730053, 811170, 973404, 1216755, 1460106, 1622340, 2190159, 2433510, 2920212, 3650265, 4380318, 4867020, 6570477, 7300530, 8760636, 10950795, 13140954, 14601060, 21901590, 26281908, 32852385, 43803180, 65704770, 131409540]

約数ペア:
[(1, 131409540), (2, 65704770), (3, 43803180), (4, 32852385), (5, 26281908), (6, 21901590), (9, 14601060), (10, 13140954), (12, 10950795), (15, 8760636), (18, 7300530), (20, 6570477), (27, 4867020), (30, 4380318), (36, 3650265), (45, 2920212), (54, 2433510), (60, 2190159), (81, 1622340), (90, 1460106), (108, 1216755), (135, 973404), (162, 811170), (180, 730053), (243, 540780), (270, 486702), (324, 405585), (405, 324468), (486, 270390), (540, 243351), (729, 180260), (810, 162234), (972, 135195), (1215, 108156), (1458, 90130), (1620, 81117), (2430, 54078), (2916, 45065), (3645, 36052), (4860, 27039), (7290, 18026), (9013, 14580)]

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