About the Number

422820

422819 ← → 422821

2進数表記:1100111001110100100

漢数字表記:四十二万二千八百二十

素因数分解:

2 2 × 3 6 × 5 1 × 29 1

素因数の和:56
約数の個数: 84
約数和(自身を含む): 1377180
約数和(自身を除く): 954360

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 243, 261, 270, 290, 324, 348, 405, 435, 486, 522, 540, 580, 729, 783, 810, 870, 972, 1044, 1215, 1305, 1458, 1566, 1620, 1740, 2349, 2430, 2610, 2916, 3132, 3645, 3915, 4698, 4860, 5220, 7047, 7290, 7830, 9396, 11745, 14094, 14580, 15660, 21141, 23490, 28188, 35235, 42282, 46980, 70470, 84564, 105705, 140940, 211410, 422820]

約数ペア:
[(1, 422820), (2, 211410), (3, 140940), (4, 105705), (5, 84564), (6, 70470), (9, 46980), (10, 42282), (12, 35235), (15, 28188), (18, 23490), (20, 21141), (27, 15660), (29, 14580), (30, 14094), (36, 11745), (45, 9396), (54, 7830), (58, 7290), (60, 7047), (81, 5220), (87, 4860), (90, 4698), (108, 3915), (116, 3645), (135, 3132), (145, 2916), (162, 2610), (174, 2430), (180, 2349), (243, 1740), (261, 1620), (270, 1566), (290, 1458), (324, 1305), (348, 1215), (405, 1044), (435, 972), (486, 870), (522, 810), (540, 783), (580, 729)]

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