About the Number

31890690

31890689 ← → 31890691

2進数表記:1111001101001110100000010

漢数字表記:三千百八十九万六百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 97 1 × 281 1

素因数の和:404
約数の個数: 96
約数和(自身を含む): 90535536
約数和(自身を除く): 58644846

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 97, 117, 130, 194, 195, 234, 281, 291, 390, 485, 562, 582, 585, 843, 873, 970, 1170, 1261, 1405, 1455, 1686, 1746, 2522, 2529, 2810, 2910, 3653, 3783, 4215, 4365, 5058, 6305, 7306, 7566, 8430, 8730, 10959, 11349, 12610, 12645, 18265, 18915, 21918, 22698, 25290, 27257, 32877, 36530, 37830, 54514, 54795, 56745, 65754, 81771, 109590, 113490, 136285, 163542, 164385, 245313, 272570, 328770, 354341, 408855, 490626, 708682, 817710, 1063023, 1226565, 1771705, 2126046, 2453130, 3189069, 3543410, 5315115, 6378138, 10630230, 15945345, 31890690]

約数ペア:
[(1, 31890690), (2, 15945345), (3, 10630230), (5, 6378138), (6, 5315115), (9, 3543410), (10, 3189069), (13, 2453130), (15, 2126046), (18, 1771705), (26, 1226565), (30, 1063023), (39, 817710), (45, 708682), (65, 490626), (78, 408855), (90, 354341), (97, 328770), (117, 272570), (130, 245313), (194, 164385), (195, 163542), (234, 136285), (281, 113490), (291, 109590), (390, 81771), (485, 65754), (562, 56745), (582, 54795), (585, 54514), (843, 37830), (873, 36530), (970, 32877), (1170, 27257), (1261, 25290), (1405, 22698), (1455, 21918), (1686, 18915), (1746, 18265), (2522, 12645), (2529, 12610), (2810, 11349), (2910, 10959), (3653, 8730), (3783, 8430), (4215, 7566), (4365, 7306), (5058, 6305)]

このpageの処理時間: 0.003621339797973633 seconds