About the Number

72001490

72001489 ← → 72001491

2進数表記:100010010101010011111010010

漢数字表記:七千二百万千四百九十

素因数分解:

2 1 × 5 1 × 11 1 × 29 1 × 22571 1

素因数の和:22618
約数の個数: 32
約数和(自身を含む): 146266560
約数和(自身を除く): 74265070

約数列:
[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 22571, 45142, 112855, 225710, 248281, 496562, 654559, 1241405, 1309118, 2482810, 3272795, 6545590, 7200149, 14400298, 36000745, 72001490]

約数ペア:
[(1, 72001490), (2, 36000745), (5, 14400298), (10, 7200149), (11, 6545590), (22, 3272795), (29, 2482810), (55, 1309118), (58, 1241405), (110, 654559), (145, 496562), (290, 248281), (319, 225710), (638, 112855), (1595, 45142), (3190, 22571)]

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