About the Number

121702990

121702989 ← → 121702991

2進数表記:111010000010000101001001110

漢数字表記:一億二千百七十万二千九百九十

素因数分解:

2 1 × 5 1 × 37 1 × 97 1 × 3391 1

素因数の和:3532
約数の個数: 32
約数和(自身を含む): 227372544
約数和(自身を除く): 105669554

約数列:
[1, 2, 5, 10, 37, 74, 97, 185, 194, 370, 485, 970, 3391, 3589, 6782, 7178, 16955, 17945, 33910, 35890, 125467, 250934, 328927, 627335, 657854, 1254670, 1644635, 3289270, 12170299, 24340598, 60851495, 121702990]

約数ペア:
[(1, 121702990), (2, 60851495), (5, 24340598), (10, 12170299), (37, 3289270), (74, 1644635), (97, 1254670), (185, 657854), (194, 627335), (370, 328927), (485, 250934), (970, 125467), (3391, 35890), (3589, 33910), (6782, 17945), (7178, 16955)]

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