About the Number

70131490

70131489 ← → 70131491

2進数表記:100001011100001111100100010

漢数字表記:七千十三万千四百九十

素因数分解:

2 1 × 5 1 × 11 1 × 13 1 × 49043 1

素因数の和:49074
約数の個数: 32
約数和(自身を含む): 148309056
約数和(自身を除く): 78177566

約数列:
[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 49043, 98086, 245215, 490430, 539473, 637559, 1078946, 1275118, 2697365, 3187795, 5394730, 6375590, 7013149, 14026298, 35065745, 70131490]

約数ペア:
[(1, 70131490), (2, 35065745), (5, 14026298), (10, 7013149), (11, 6375590), (13, 5394730), (22, 3187795), (26, 2697365), (55, 1275118), (65, 1078946), (110, 637559), (130, 539473), (143, 490430), (286, 245215), (715, 98086), (1430, 49043)]

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