About the Number

4000140

4000139 ← → 4000141

2進数表記:1111010000100110001100

漢数字表記:四百万百四十

素因数分解:

2 2 × 3 2 × 5 1 × 71 1 × 313 1

素因数の和:399
約数の個数: 72
約数和(自身を含む): 12343968
約数和(自身を除く): 8343828

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 313, 355, 426, 626, 639, 710, 852, 939, 1065, 1252, 1278, 1420, 1565, 1878, 2130, 2556, 2817, 3130, 3195, 3756, 4260, 4695, 5634, 6260, 6390, 9390, 11268, 12780, 14085, 18780, 22223, 28170, 44446, 56340, 66669, 88892, 111115, 133338, 200007, 222230, 266676, 333345, 400014, 444460, 666690, 800028, 1000035, 1333380, 2000070, 4000140]

約数ペア:
[(1, 4000140), (2, 2000070), (3, 1333380), (4, 1000035), (5, 800028), (6, 666690), (9, 444460), (10, 400014), (12, 333345), (15, 266676), (18, 222230), (20, 200007), (30, 133338), (36, 111115), (45, 88892), (60, 66669), (71, 56340), (90, 44446), (142, 28170), (180, 22223), (213, 18780), (284, 14085), (313, 12780), (355, 11268), (426, 9390), (626, 6390), (639, 6260), (710, 5634), (852, 4695), (939, 4260), (1065, 3756), (1252, 3195), (1278, 3130), (1420, 2817), (1565, 2556), (1878, 2130)]

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