About the Number

12387930

12387929 ← → 12387931

2進数表記:101111010000011001011010

漢数字表記:千二百三十八万七千九百三十

素因数分解:

2 1 × 3 1 × 5 1 × 29 2 × 491 1

素因数の和:559
約数の個数: 48
約数和(自身を含む): 30854304
約数和(自身を除く): 18466374

約数列:
[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 491, 841, 870, 982, 1473, 1682, 2455, 2523, 2946, 4205, 4910, 5046, 7365, 8410, 12615, 14239, 14730, 25230, 28478, 42717, 71195, 85434, 142390, 213585, 412931, 427170, 825862, 1238793, 2064655, 2477586, 4129310, 6193965, 12387930]

約数ペア:
[(1, 12387930), (2, 6193965), (3, 4129310), (5, 2477586), (6, 2064655), (10, 1238793), (15, 825862), (29, 427170), (30, 412931), (58, 213585), (87, 142390), (145, 85434), (174, 71195), (290, 42717), (435, 28478), (491, 25230), (841, 14730), (870, 14239), (982, 12615), (1473, 8410), (1682, 7365), (2455, 5046), (2523, 4910), (2946, 4205)]

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