About the Number

2161770

2161769 ← → 2161771

2進数表記:1000001111110001101010

漢数字表記:二百十六万千七百七十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 23 1 × 241 1

素因数の和:287
約数の個数: 64
約数和(自身を含む): 5854464
約数和(自身を除く): 3692694

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 241, 299, 345, 390, 482, 598, 690, 723, 897, 1205, 1446, 1495, 1794, 2410, 2990, 3133, 3615, 4485, 5543, 6266, 7230, 8970, 9399, 11086, 15665, 16629, 18798, 27715, 31330, 33258, 46995, 55430, 72059, 83145, 93990, 144118, 166290, 216177, 360295, 432354, 720590, 1080885, 2161770]

約数ペア:
[(1, 2161770), (2, 1080885), (3, 720590), (5, 432354), (6, 360295), (10, 216177), (13, 166290), (15, 144118), (23, 93990), (26, 83145), (30, 72059), (39, 55430), (46, 46995), (65, 33258), (69, 31330), (78, 27715), (115, 18798), (130, 16629), (138, 15665), (195, 11086), (230, 9399), (241, 8970), (299, 7230), (345, 6266), (390, 5543), (482, 4485), (598, 3615), (690, 3133), (723, 2990), (897, 2410), (1205, 1794), (1446, 1495)]

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