About the Number

2980740

2980739 ← → 2980741

2進数表記:1011010111101110000100

漢数字表記:二百九十八万七百四十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 47 1 × 151 1

素因数の和:217
約数の個数: 96
約数和(自身を含む): 9805824
約数和(自身を除く): 6825084

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 151, 188, 210, 235, 282, 302, 329, 420, 453, 470, 564, 604, 658, 705, 755, 906, 940, 987, 1057, 1316, 1410, 1510, 1645, 1812, 1974, 2114, 2265, 2820, 3020, 3171, 3290, 3948, 4228, 4530, 4935, 5285, 6342, 6580, 7097, 9060, 9870, 10570, 12684, 14194, 15855, 19740, 21140, 21291, 28388, 31710, 35485, 42582, 49679, 63420, 70970, 85164, 99358, 106455, 141940, 149037, 198716, 212910, 248395, 298074, 425820, 496790, 596148, 745185, 993580, 1490370, 2980740]

約数ペア:
[(1, 2980740), (2, 1490370), (3, 993580), (4, 745185), (5, 596148), (6, 496790), (7, 425820), (10, 298074), (12, 248395), (14, 212910), (15, 198716), (20, 149037), (21, 141940), (28, 106455), (30, 99358), (35, 85164), (42, 70970), (47, 63420), (60, 49679), (70, 42582), (84, 35485), (94, 31710), (105, 28388), (140, 21291), (141, 21140), (151, 19740), (188, 15855), (210, 14194), (235, 12684), (282, 10570), (302, 9870), (329, 9060), (420, 7097), (453, 6580), (470, 6342), (564, 5285), (604, 4935), (658, 4530), (705, 4228), (755, 3948), (906, 3290), (940, 3171), (987, 3020), (1057, 2820), (1316, 2265), (1410, 2114), (1510, 1974), (1645, 1812)]

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