About the Number

201317640

201317639 ← → 201317641

2進数表記:1011111111111101110100001000

漢数字表記:二億百三十一万七千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 457 1 × 3671 1

素因数の和:4142
約数の個数: 64
約数和(自身を含む): 605439360
約数和(自身を除く): 404121720

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 914, 1371, 1828, 2285, 2742, 3656, 3671, 4570, 5484, 6855, 7342, 9140, 10968, 11013, 13710, 14684, 18280, 18355, 22026, 27420, 29368, 36710, 44052, 54840, 55065, 73420, 88104, 110130, 146840, 220260, 440520, 1677647, 3355294, 5032941, 6710588, 8388235, 10065882, 13421176, 16776470, 20131764, 25164705, 33552940, 40263528, 50329410, 67105880, 100658820, 201317640]

約数ペア:
[(1, 201317640), (2, 100658820), (3, 67105880), (4, 50329410), (5, 40263528), (6, 33552940), (8, 25164705), (10, 20131764), (12, 16776470), (15, 13421176), (20, 10065882), (24, 8388235), (30, 6710588), (40, 5032941), (60, 3355294), (120, 1677647), (457, 440520), (914, 220260), (1371, 146840), (1828, 110130), (2285, 88104), (2742, 73420), (3656, 55065), (3671, 54840), (4570, 44052), (5484, 36710), (6855, 29368), (7342, 27420), (9140, 22026), (10968, 18355), (11013, 18280), (13710, 14684)]

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