About the Number

131896890

131896889 ← → 131896891

2進数表記:111110111001001011000111010

漢数字表記:一億三千百八十九万六千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 241 1 × 2027 1

素因数の和:2284
約数の個数: 64
約数和(自身を含む): 353358720
約数和(自身を除く): 221461830

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 241, 270, 482, 723, 1205, 1446, 2027, 2169, 2410, 3615, 4054, 4338, 6081, 6507, 7230, 10135, 10845, 12162, 13014, 18243, 20270, 21690, 30405, 32535, 36486, 54729, 60810, 65070, 91215, 109458, 182430, 273645, 488507, 547290, 977014, 1465521, 2442535, 2931042, 4396563, 4885070, 7327605, 8793126, 13189689, 14655210, 21982815, 26379378, 43965630, 65948445, 131896890]

約数ペア:
[(1, 131896890), (2, 65948445), (3, 43965630), (5, 26379378), (6, 21982815), (9, 14655210), (10, 13189689), (15, 8793126), (18, 7327605), (27, 4885070), (30, 4396563), (45, 2931042), (54, 2442535), (90, 1465521), (135, 977014), (241, 547290), (270, 488507), (482, 273645), (723, 182430), (1205, 109458), (1446, 91215), (2027, 65070), (2169, 60810), (2410, 54729), (3615, 36486), (4054, 32535), (4338, 30405), (6081, 21690), (6507, 20270), (7230, 18243), (10135, 13014), (10845, 12162)]

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