About the Number

201491290

201491289 ← → 201491291

2進数表記:1100000000101000001101011010

漢数字表記:二億百四十九万千二百九十

素因数分解:

2 1 × 5 1 × 7 1 × 11 1 × 13 1 × 20129 1

素因数の和:20167
約数の個数: 64
約数和(自身を含む): 486984960
約数和(自身を除く): 285493670

約数列:
[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 20129, 40258, 100645, 140903, 201290, 221419, 261677, 281806, 442838, 523354, 704515, 1107095, 1308385, 1409030, 1549933, 1831739, 2214190, 2616770, 2878447, 3099866, 3663478, 5756894, 7749665, 9158695, 14392235, 15499330, 18317390, 20149129, 28784470, 40298258, 100745645, 201491290]

約数ペア:
[(1, 201491290), (2, 100745645), (5, 40298258), (7, 28784470), (10, 20149129), (11, 18317390), (13, 15499330), (14, 14392235), (22, 9158695), (26, 7749665), (35, 5756894), (55, 3663478), (65, 3099866), (70, 2878447), (77, 2616770), (91, 2214190), (110, 1831739), (130, 1549933), (143, 1409030), (154, 1308385), (182, 1107095), (286, 704515), (385, 523354), (455, 442838), (715, 281806), (770, 261677), (910, 221419), (1001, 201290), (1430, 140903), (2002, 100645), (5005, 40258), (10010, 20129)]

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