About the Number

489505140

489505139 ← → 489505141

2進数表記:11101001011010100000101110100

漢数字表記:四億八千九百五十万五千百四十

素因数分解:

2 2 × 3 3 × 5 1 × 17 1 × 53323 1

素因数の和:53358
約数の個数: 96
約数和(自身を含む): 1612517760
約数和(自身を除く): 1123012620

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 3060, 4590, 9180, 53323, 106646, 159969, 213292, 266615, 319938, 479907, 533230, 639876, 799845, 906491, 959814, 1066460, 1439721, 1599690, 1812982, 1919628, 2399535, 2719473, 2879442, 3199380, 3625964, 4532455, 4799070, 5438946, 5758884, 7198605, 8158419, 9064910, 9598140, 10877892, 13597365, 14397210, 16316838, 18129820, 24475257, 27194730, 28794420, 32633676, 40792095, 48950514, 54389460, 81584190, 97901028, 122376285, 163168380, 244752570, 489505140]

約数ペア:
[(1, 489505140), (2, 244752570), (3, 163168380), (4, 122376285), (5, 97901028), (6, 81584190), (9, 54389460), (10, 48950514), (12, 40792095), (15, 32633676), (17, 28794420), (18, 27194730), (20, 24475257), (27, 18129820), (30, 16316838), (34, 14397210), (36, 13597365), (45, 10877892), (51, 9598140), (54, 9064910), (60, 8158419), (68, 7198605), (85, 5758884), (90, 5438946), (102, 4799070), (108, 4532455), (135, 3625964), (153, 3199380), (170, 2879442), (180, 2719473), (204, 2399535), (255, 1919628), (270, 1812982), (306, 1599690), (340, 1439721), (459, 1066460), (510, 959814), (540, 906491), (612, 799845), (765, 639876), (918, 533230), (1020, 479907), (1530, 319938), (1836, 266615), (2295, 213292), (3060, 159969), (4590, 106646), (9180, 53323)]

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