About the Number

272490

272489 ← → 272491

2進数表記:1000010100001101010

漢数字表記:二十七万二千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 293 1

素因数の和:334
約数の個数: 32
約数和(自身を含む): 677376
約数和(自身を除く): 404886

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 293, 310, 465, 586, 879, 930, 1465, 1758, 2930, 4395, 8790, 9083, 18166, 27249, 45415, 54498, 90830, 136245, 272490]

約数ペア:
[(1, 272490), (2, 136245), (3, 90830), (5, 54498), (6, 45415), (10, 27249), (15, 18166), (30, 9083), (31, 8790), (62, 4395), (93, 2930), (155, 1758), (186, 1465), (293, 930), (310, 879), (465, 586)]

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