About the Number

12017990

12017989 ← → 12017991

2進数表記:101101110110000101000110

漢数字表記:千二百一万七千九百九十

素因数分解:

2 1 × 5 1 × 73 1 × 101 1 × 163 1

素因数の和:344
約数の個数: 32
約数和(自身を含む): 22281696
約数和(自身を除く): 10263706

約数列:
[1, 2, 5, 10, 73, 101, 146, 163, 202, 326, 365, 505, 730, 815, 1010, 1630, 7373, 11899, 14746, 16463, 23798, 32926, 36865, 59495, 73730, 82315, 118990, 164630, 1201799, 2403598, 6008995, 12017990]

約数ペア:
[(1, 12017990), (2, 6008995), (5, 2403598), (10, 1201799), (73, 164630), (101, 118990), (146, 82315), (163, 73730), (202, 59495), (326, 36865), (365, 32926), (505, 23798), (730, 16463), (815, 14746), (1010, 11899), (1630, 7373)]

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