About the Number

9978930

9978929 ← → 9978931

2進数表記:100110000100010000110010

漢数字表記:九百九十七万八千九百三十

素因数分解:

2 1 × 3 3 × 5 1 × 13 1 × 2843 1

素因数の和:2872
約数の個数: 64
約数和(自身を含む): 28667520
約数和(自身を除く): 18688590

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 2843, 3510, 5686, 8529, 14215, 17058, 25587, 28430, 36959, 42645, 51174, 73918, 76761, 85290, 110877, 127935, 153522, 184795, 221754, 255870, 332631, 369590, 383805, 554385, 665262, 767610, 997893, 1108770, 1663155, 1995786, 3326310, 4989465, 9978930]

約数ペア:
[(1, 9978930), (2, 4989465), (3, 3326310), (5, 1995786), (6, 1663155), (9, 1108770), (10, 997893), (13, 767610), (15, 665262), (18, 554385), (26, 383805), (27, 369590), (30, 332631), (39, 255870), (45, 221754), (54, 184795), (65, 153522), (78, 127935), (90, 110877), (117, 85290), (130, 76761), (135, 73918), (195, 51174), (234, 42645), (270, 36959), (351, 28430), (390, 25587), (585, 17058), (702, 14215), (1170, 8529), (1755, 5686), (2843, 3510)]

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