About the Number

202971390

202971389 ← → 202971391

2進数表記:1100000110010001100011111110

漢数字表記:二億二百九十七万千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 73 1 × 92681 1

素因数の和:92764
約数の個数: 32
約数和(自身を含む): 493809696
約数和(自身を除く): 290838306

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 92681, 185362, 278043, 463405, 556086, 926810, 1390215, 2780430, 6765713, 13531426, 20297139, 33828565, 40594278, 67657130, 101485695, 202971390]

約数ペア:
[(1, 202971390), (2, 101485695), (3, 67657130), (5, 40594278), (6, 33828565), (10, 20297139), (15, 13531426), (30, 6765713), (73, 2780430), (146, 1390215), (219, 926810), (365, 556086), (438, 463405), (730, 278043), (1095, 185362), (2190, 92681)]

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