About the Number

142485140

142485139 ← → 142485141

2進数表記:1000011111100010011010010100

漢数字表記:一億四千二百四十八万五千百四十

素因数分解:

2 2 × 5 1 × 7 2 × 347 1 × 419 1

素因数の和:789
約数の個数: 72
約数和(自身を含む): 349907040
約数和(自身を除く): 207421900

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 347, 419, 490, 694, 838, 980, 1388, 1676, 1735, 2095, 2429, 2933, 3470, 4190, 4858, 5866, 6940, 8380, 9716, 11732, 12145, 14665, 17003, 20531, 24290, 29330, 34006, 41062, 48580, 58660, 68012, 82124, 85015, 102655, 145393, 170030, 205310, 290786, 340060, 410620, 581572, 726965, 1017751, 1453930, 2035502, 2907860, 4071004, 5088755, 7124257, 10177510, 14248514, 20355020, 28497028, 35621285, 71242570, 142485140]

約数ペア:
[(1, 142485140), (2, 71242570), (4, 35621285), (5, 28497028), (7, 20355020), (10, 14248514), (14, 10177510), (20, 7124257), (28, 5088755), (35, 4071004), (49, 2907860), (70, 2035502), (98, 1453930), (140, 1017751), (196, 726965), (245, 581572), (347, 410620), (419, 340060), (490, 290786), (694, 205310), (838, 170030), (980, 145393), (1388, 102655), (1676, 85015), (1735, 82124), (2095, 68012), (2429, 58660), (2933, 48580), (3470, 41062), (4190, 34006), (4858, 29330), (5866, 24290), (6940, 20531), (8380, 17003), (9716, 14665), (11732, 12145)]

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