About the Number

166972890

166972889 ← → 166972891

2進数表記:1001111100111100110111011010

漢数字表記:一億六千六百九十七万二千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 2 × 97 1 × 1171 1

素因数の和:1292
約数の個数: 96
約数和(自身を含む): 471369024
約数和(自身を除く): 304396134

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 97, 98, 105, 147, 194, 210, 245, 291, 294, 485, 490, 582, 679, 735, 970, 1171, 1358, 1455, 1470, 2037, 2342, 2910, 3395, 3513, 4074, 4753, 5855, 6790, 7026, 8197, 9506, 10185, 11710, 14259, 16394, 17565, 20370, 23765, 24591, 28518, 35130, 40985, 47530, 49182, 57379, 71295, 81970, 113587, 114758, 122955, 142590, 172137, 227174, 245910, 286895, 340761, 344274, 567935, 573790, 681522, 795109, 860685, 1135870, 1590218, 1703805, 1721370, 2385327, 3407610, 3975545, 4770654, 5565763, 7951090, 11131526, 11926635, 16697289, 23853270, 27828815, 33394578, 55657630, 83486445, 166972890]

約数ペア:
[(1, 166972890), (2, 83486445), (3, 55657630), (5, 33394578), (6, 27828815), (7, 23853270), (10, 16697289), (14, 11926635), (15, 11131526), (21, 7951090), (30, 5565763), (35, 4770654), (42, 3975545), (49, 3407610), (70, 2385327), (97, 1721370), (98, 1703805), (105, 1590218), (147, 1135870), (194, 860685), (210, 795109), (245, 681522), (291, 573790), (294, 567935), (485, 344274), (490, 340761), (582, 286895), (679, 245910), (735, 227174), (970, 172137), (1171, 142590), (1358, 122955), (1455, 114758), (1470, 113587), (2037, 81970), (2342, 71295), (2910, 57379), (3395, 49182), (3513, 47530), (4074, 40985), (4753, 35130), (5855, 28518), (6790, 24591), (7026, 23765), (8197, 20370), (9506, 17565), (10185, 16394), (11710, 14259)]

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