About the Number

223880990

223880989 ← → 223880991

2進数表記:1101010110000010011100011110

漢数字表記:二億二千三百八十八万九百九十

素因数分解:

2 1 × 5 1 × 17 1 × 19 1 × 69313 1

素因数の和:69356
約数の個数: 32
約数和(自身を含む): 449154720
約数和(自身を除く): 225273730

約数列:
[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 69313, 138626, 346565, 693130, 1178321, 1316947, 2356642, 2633894, 5891605, 6584735, 11783210, 13169470, 22388099, 44776198, 111940495, 223880990]

約数ペア:
[(1, 223880990), (2, 111940495), (5, 44776198), (10, 22388099), (17, 13169470), (19, 11783210), (34, 6584735), (38, 5891605), (85, 2633894), (95, 2356642), (170, 1316947), (190, 1178321), (323, 693130), (646, 346565), (1615, 138626), (3230, 69313)]

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