About the Number

31293080

31293079 ← → 31293081

2進数表記:1110111010111111010011000

漢数字表記:三千百二十九万三千八十

素因数分解:

2 3 × 5 1 × 7 1 × 13 1 × 8597 1

素因数の和:8628
約数の個数: 64
約数和(自身を含む): 86667840
約数和(自身を除く): 55374760

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8597, 17194, 34388, 42985, 60179, 68776, 85970, 111761, 120358, 171940, 223522, 240716, 300895, 343880, 447044, 481432, 558805, 601790, 782327, 894088, 1117610, 1203580, 1564654, 2235220, 2407160, 3129308, 3911635, 4470440, 6258616, 7823270, 15646540, 31293080]

約数ペア:
[(1, 31293080), (2, 15646540), (4, 7823270), (5, 6258616), (7, 4470440), (8, 3911635), (10, 3129308), (13, 2407160), (14, 2235220), (20, 1564654), (26, 1203580), (28, 1117610), (35, 894088), (40, 782327), (52, 601790), (56, 558805), (65, 481432), (70, 447044), (91, 343880), (104, 300895), (130, 240716), (140, 223522), (182, 171940), (260, 120358), (280, 111761), (364, 85970), (455, 68776), (520, 60179), (728, 42985), (910, 34388), (1820, 17194), (3640, 8597)]

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