About the Number

31028480

31028479 ← → 31028481

2進数表記:1110110010111010100000000

漢数字表記:三千百二万八千四百八十

素因数分解:

2 8 × 5 1 × 7 1 × 3463 1

素因数の和:3491
約数の個数: 72
約数和(自身を含む): 84964992
約数和(自身を除く): 53936512

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 3463, 4480, 6926, 8960, 13852, 17315, 24241, 27704, 34630, 48482, 55408, 69260, 96964, 110816, 121205, 138520, 193928, 221632, 242410, 277040, 387856, 443264, 484820, 554080, 775712, 886528, 969640, 1108160, 1551424, 1939280, 2216320, 3102848, 3878560, 4432640, 6205696, 7757120, 15514240, 31028480]

約数ペア:
[(1, 31028480), (2, 15514240), (4, 7757120), (5, 6205696), (7, 4432640), (8, 3878560), (10, 3102848), (14, 2216320), (16, 1939280), (20, 1551424), (28, 1108160), (32, 969640), (35, 886528), (40, 775712), (56, 554080), (64, 484820), (70, 443264), (80, 387856), (112, 277040), (128, 242410), (140, 221632), (160, 193928), (224, 138520), (256, 121205), (280, 110816), (320, 96964), (448, 69260), (560, 55408), (640, 48482), (896, 34630), (1120, 27704), (1280, 24241), (1792, 17315), (2240, 13852), (3463, 8960), (4480, 6926)]

このpageの処理時間: 0.007373332977294922 seconds