About the Number

90008940

90008939 ← → 90008941

2進数表記:101010111010110110101101100

漢数字表記:九千万八千九百四十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 41 1 × 5227 1

素因数の和:5287
約数の個数: 96
約数和(自身を含む): 295110144
約数和(自身を除く): 205101204

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5227, 5740, 8610, 10454, 15681, 17220, 20908, 26135, 31362, 36589, 52270, 62724, 73178, 78405, 104540, 109767, 146356, 156810, 182945, 214307, 219534, 313620, 365890, 428614, 439068, 548835, 642921, 731780, 857228, 1071535, 1097670, 1285842, 1500149, 2143070, 2195340, 2571684, 3000298, 3214605, 4286140, 4500447, 6000596, 6429210, 7500745, 9000894, 12858420, 15001490, 18001788, 22502235, 30002980, 45004470, 90008940]

約数ペア:
[(1, 90008940), (2, 45004470), (3, 30002980), (4, 22502235), (5, 18001788), (6, 15001490), (7, 12858420), (10, 9000894), (12, 7500745), (14, 6429210), (15, 6000596), (20, 4500447), (21, 4286140), (28, 3214605), (30, 3000298), (35, 2571684), (41, 2195340), (42, 2143070), (60, 1500149), (70, 1285842), (82, 1097670), (84, 1071535), (105, 857228), (123, 731780), (140, 642921), (164, 548835), (205, 439068), (210, 428614), (246, 365890), (287, 313620), (410, 219534), (420, 214307), (492, 182945), (574, 156810), (615, 146356), (820, 109767), (861, 104540), (1148, 78405), (1230, 73178), (1435, 62724), (1722, 52270), (2460, 36589), (2870, 31362), (3444, 26135), (4305, 20908), (5227, 17220), (5740, 15681), (8610, 10454)]

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