About the Number

31742820

31742819 ← → 31742821

2進数表記:1111001000101101101100100

漢数字表記:三千百七十四万二千八百二十

素因数分解:

2 2 × 3 3 × 5 1 × 29 1 × 2027 1

素因数の和:2074
約数の個数: 96
約数和(自身を含む): 102211200
約数和(自身を除く): 70468380

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1566, 1740, 2027, 2610, 3132, 3915, 4054, 5220, 6081, 7830, 8108, 10135, 12162, 15660, 18243, 20270, 24324, 30405, 36486, 40540, 54729, 58783, 60810, 72972, 91215, 109458, 117566, 121620, 176349, 182430, 218916, 235132, 273645, 293915, 352698, 364860, 529047, 547290, 587830, 705396, 881745, 1058094, 1094580, 1175660, 1587141, 1763490, 2116188, 2645235, 3174282, 3526980, 5290470, 6348564, 7935705, 10580940, 15871410, 31742820]

約数ペア:
[(1, 31742820), (2, 15871410), (3, 10580940), (4, 7935705), (5, 6348564), (6, 5290470), (9, 3526980), (10, 3174282), (12, 2645235), (15, 2116188), (18, 1763490), (20, 1587141), (27, 1175660), (29, 1094580), (30, 1058094), (36, 881745), (45, 705396), (54, 587830), (58, 547290), (60, 529047), (87, 364860), (90, 352698), (108, 293915), (116, 273645), (135, 235132), (145, 218916), (174, 182430), (180, 176349), (261, 121620), (270, 117566), (290, 109458), (348, 91215), (435, 72972), (522, 60810), (540, 58783), (580, 54729), (783, 40540), (870, 36486), (1044, 30405), (1305, 24324), (1566, 20270), (1740, 18243), (2027, 15660), (2610, 12162), (3132, 10135), (3915, 8108), (4054, 7830), (5220, 6081)]

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