About the Number

1371890

1371889 ← → 1371891

2進数表記:101001110111011110010

漢数字表記:百三十七万千八百九十

素因数分解:

2 1 × 5 1 × 13 1 × 61 1 × 173 1

素因数の和:254
約数の個数: 32
約数和(自身を含む): 2718576
約数和(自身を除く): 1346686

約数列:
[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 173, 305, 346, 610, 793, 865, 1586, 1730, 2249, 3965, 4498, 7930, 10553, 11245, 21106, 22490, 52765, 105530, 137189, 274378, 685945, 1371890]

約数ペア:
[(1, 1371890), (2, 685945), (5, 274378), (10, 137189), (13, 105530), (26, 52765), (61, 22490), (65, 21106), (122, 11245), (130, 10553), (173, 7930), (305, 4498), (346, 3965), (610, 2249), (793, 1730), (865, 1586)]

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