About the Number

42172380

42172379 ← → 42172381

2進数表記:10100000110111111111011100

漢数字表記:四千二百十七万二千三百八十

素因数分解:

2 2 × 3 3 × 5 1 × 29 1 × 2693 1

素因数の和:2740
約数の個数: 96
約数和(自身を含む): 135777600
約数和(自身を除く): 93605220

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1566, 1740, 2610, 2693, 3132, 3915, 5220, 5386, 7830, 8079, 10772, 13465, 15660, 16158, 24237, 26930, 32316, 40395, 48474, 53860, 72711, 78097, 80790, 96948, 121185, 145422, 156194, 161580, 234291, 242370, 290844, 312388, 363555, 390485, 468582, 484740, 702873, 727110, 780970, 937164, 1171455, 1405746, 1454220, 1561940, 2108619, 2342910, 2811492, 3514365, 4217238, 4685820, 7028730, 8434476, 10543095, 14057460, 21086190, 42172380]

約数ペア:
[(1, 42172380), (2, 21086190), (3, 14057460), (4, 10543095), (5, 8434476), (6, 7028730), (9, 4685820), (10, 4217238), (12, 3514365), (15, 2811492), (18, 2342910), (20, 2108619), (27, 1561940), (29, 1454220), (30, 1405746), (36, 1171455), (45, 937164), (54, 780970), (58, 727110), (60, 702873), (87, 484740), (90, 468582), (108, 390485), (116, 363555), (135, 312388), (145, 290844), (174, 242370), (180, 234291), (261, 161580), (270, 156194), (290, 145422), (348, 121185), (435, 96948), (522, 80790), (540, 78097), (580, 72711), (783, 53860), (870, 48474), (1044, 40395), (1305, 32316), (1566, 26930), (1740, 24237), (2610, 16158), (2693, 15660), (3132, 13465), (3915, 10772), (5220, 8079), (5386, 7830)]

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