About the Number

2212540

2212539 ← → 2212541

2進数表記:1000011100001010111100

漢数字表記:二百二十一万二千五百四十

素因数分解:

2 2 × 5 1 × 11 1 × 89 1 × 113 1

素因数の和:222
約数の個数: 48
約数和(自身を含む): 5171040
約数和(自身を除く): 2958500

約数列:
[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 113, 178, 220, 226, 356, 445, 452, 565, 890, 979, 1130, 1243, 1780, 1958, 2260, 2486, 3916, 4895, 4972, 6215, 9790, 10057, 12430, 19580, 20114, 24860, 40228, 50285, 100570, 110627, 201140, 221254, 442508, 553135, 1106270, 2212540]

約数ペア:
[(1, 2212540), (2, 1106270), (4, 553135), (5, 442508), (10, 221254), (11, 201140), (20, 110627), (22, 100570), (44, 50285), (55, 40228), (89, 24860), (110, 20114), (113, 19580), (178, 12430), (220, 10057), (226, 9790), (356, 6215), (445, 4972), (452, 4895), (565, 3916), (890, 2486), (979, 2260), (1130, 1958), (1243, 1780)]

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