About the Number
31361387900
2進数表記:11101001101010010001100110101111100
漢数字表記:三百十三億六千百三十八万七千九百
素因数分解:
素因数の和:144431
約数の個数: 72
約数和(自身を含む): 71029922544
約数和(自身を除く): 39668534644
約数列:
[1, 2, 4, 5, 10, 20, 25, 41, 50, 53, 82, 100, 106, 164, 205, 212, 265, 410, 530, 820, 1025, 1060, 1325, 2050, 2173, 2650, 4100, 4346, 5300, 8692, 10865, 21730, 43460, 54325, 108650, 144323, 217300, 288646, 577292, 721615, 1443230, 2886460, 3608075, 5917243, 7216150, 7649119, 11834486, 14432300, 15298238, 23668972, 29586215, 30596476, 38245595, 59172430, 76491190, 118344860, 147931075, 152982380, 191227975, 295862150, 313613879, 382455950, 591724300, 627227758, 764911900, 1254455516, 1568069395, 3136138790, 6272277580, 7840346975, 15680693950, 31361387900]
約数ペア:
[(1, 31361387900), (2, 15680693950), (4, 7840346975), (5, 6272277580), (10, 3136138790), (20, 1568069395), (25, 1254455516), (41, 764911900), (50, 627227758), (53, 591724300), (82, 382455950), (100, 313613879), (106, 295862150), (164, 191227975), (205, 152982380), (212, 147931075), (265, 118344860), (410, 76491190), (530, 59172430), (820, 38245595), (1025, 30596476), (1060, 29586215), (1325, 23668972), (2050, 15298238), (2173, 14432300), (2650, 11834486), (4100, 7649119), (4346, 7216150), (5300, 5917243), (8692, 3608075), (10865, 2886460), (21730, 1443230), (43460, 721615), (54325, 577292), (108650, 288646), (144323, 217300)]このpageの処理時間: 0.16313719749450684 seconds