About the Number

1994317980

1994317979 ← → 1994317981

2進数表記:1110110110111101110000010011100

漢数字表記:十九億九千四百三十一万七千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 67 1 × 283 1 × 1753 1

素因数の和:2115
約数の個数: 96
約数和(自身を含む): 5690705664
約数和(自身を除く): 3696387684

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 283, 335, 402, 566, 670, 804, 849, 1005, 1132, 1340, 1415, 1698, 1753, 2010, 2830, 3396, 3506, 4020, 4245, 5259, 5660, 7012, 8490, 8765, 10518, 16980, 17530, 18961, 21036, 26295, 35060, 37922, 52590, 56883, 75844, 94805, 105180, 113766, 117451, 189610, 227532, 234902, 284415, 352353, 379220, 469804, 496099, 568830, 587255, 704706, 992198, 1137660, 1174510, 1409412, 1488297, 1761765, 1984396, 2349020, 2480495, 2976594, 3523530, 4960990, 5953188, 7047060, 7441485, 9921980, 14882970, 29765940, 33238633, 66477266, 99715899, 132954532, 166193165, 199431798, 332386330, 398863596, 498579495, 664772660, 997158990, 1994317980]

約数ペア:
[(1, 1994317980), (2, 997158990), (3, 664772660), (4, 498579495), (5, 398863596), (6, 332386330), (10, 199431798), (12, 166193165), (15, 132954532), (20, 99715899), (30, 66477266), (60, 33238633), (67, 29765940), (134, 14882970), (201, 9921980), (268, 7441485), (283, 7047060), (335, 5953188), (402, 4960990), (566, 3523530), (670, 2976594), (804, 2480495), (849, 2349020), (1005, 1984396), (1132, 1761765), (1340, 1488297), (1415, 1409412), (1698, 1174510), (1753, 1137660), (2010, 992198), (2830, 704706), (3396, 587255), (3506, 568830), (4020, 496099), (4245, 469804), (5259, 379220), (5660, 352353), (7012, 284415), (8490, 234902), (8765, 227532), (10518, 189610), (16980, 117451), (17530, 113766), (18961, 105180), (21036, 94805), (26295, 75844), (35060, 56883), (37922, 52590)]

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