About the Number
31728900
2進数表記:1111001000010010100000100
漢数字表記:三千百七十二万八千九百
素因数分解:
素因数の和:574
約数の個数: 144
約数和(自身を含む): 108743040
約数和(自身を除く): 77014140
約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 406, 420, 435, 521, 525, 580, 609, 700, 725, 812, 870, 1015, 1042, 1050, 1218, 1450, 1563, 1740, 2030, 2084, 2100, 2175, 2436, 2605, 2900, 3045, 3126, 3647, 4060, 4350, 5075, 5210, 6090, 6252, 7294, 7815, 8700, 10150, 10420, 10941, 12180, 13025, 14588, 15109, 15225, 15630, 18235, 20300, 21882, 26050, 30218, 30450, 31260, 36470, 39075, 43764, 45327, 52100, 54705, 60436, 60900, 72940, 75545, 78150, 90654, 91175, 105763, 109410, 151090, 156300, 181308, 182350, 211526, 218820, 226635, 273525, 302180, 317289, 364700, 377725, 423052, 453270, 528815, 547050, 634578, 755450, 906540, 1057630, 1094100, 1133175, 1269156, 1510900, 1586445, 2115260, 2266350, 2644075, 3172890, 4532700, 5288150, 6345780, 7932225, 10576300, 15864450, 31728900]
約数ペア:
[(1, 31728900), (2, 15864450), (3, 10576300), (4, 7932225), (5, 6345780), (6, 5288150), (7, 4532700), (10, 3172890), (12, 2644075), (14, 2266350), (15, 2115260), (20, 1586445), (21, 1510900), (25, 1269156), (28, 1133175), (29, 1094100), (30, 1057630), (35, 906540), (42, 755450), (50, 634578), (58, 547050), (60, 528815), (70, 453270), (75, 423052), (84, 377725), (87, 364700), (100, 317289), (105, 302180), (116, 273525), (140, 226635), (145, 218820), (150, 211526), (174, 182350), (175, 181308), (203, 156300), (210, 151090), (290, 109410), (300, 105763), (348, 91175), (350, 90654), (406, 78150), (420, 75545), (435, 72940), (521, 60900), (525, 60436), (580, 54705), (609, 52100), (700, 45327), (725, 43764), (812, 39075), (870, 36470), (1015, 31260), (1042, 30450), (1050, 30218), (1218, 26050), (1450, 21882), (1563, 20300), (1740, 18235), (2030, 15630), (2084, 15225), (2100, 15109), (2175, 14588), (2436, 13025), (2605, 12180), (2900, 10941), (3045, 10420), (3126, 10150), (3647, 8700), (4060, 7815), (4350, 7294), (5075, 6252), (5210, 6090)]このpageの処理時間: 0.010121583938598633 seconds