About the Number

1228220

1228219 ← → 1228221

2進数表記:100101011110110111100

漢数字表記:百二十二万八千二百二十

素因数分解:

2 2 × 5 1 × 7 1 × 31 1 × 283 1

素因数の和:330
約数の個数: 48
約数和(自身を含む): 3053568
約数和(自身を除く): 1825348

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 283, 310, 434, 566, 620, 868, 1085, 1132, 1415, 1981, 2170, 2830, 3962, 4340, 5660, 7924, 8773, 9905, 17546, 19810, 35092, 39620, 43865, 61411, 87730, 122822, 175460, 245644, 307055, 614110, 1228220]

約数ペア:
[(1, 1228220), (2, 614110), (4, 307055), (5, 245644), (7, 175460), (10, 122822), (14, 87730), (20, 61411), (28, 43865), (31, 39620), (35, 35092), (62, 19810), (70, 17546), (124, 9905), (140, 8773), (155, 7924), (217, 5660), (283, 4340), (310, 3962), (434, 2830), (566, 2170), (620, 1981), (868, 1415), (1085, 1132)]

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