About the Number

85129380

85129379 ← → 85129381

2進数表記:101000100101111100010100100

漢数字表記:八千五百十二万九千三百八十

素因数分解:

2 2 × 3 4 × 5 1 × 7 1 × 7507 1

素因数の和:7535
約数の個数: 120
約数和(自身を含む): 305245248
約数和(自身を除く): 220115868

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 7507, 11340, 15014, 22521, 30028, 37535, 45042, 52549, 67563, 75070, 90084, 105098, 112605, 135126, 150140, 157647, 202689, 210196, 225210, 262745, 270252, 315294, 337815, 405378, 450420, 472941, 525490, 608067, 630588, 675630, 788235, 810756, 945882, 1013445, 1050980, 1216134, 1351260, 1418823, 1576470, 1891764, 2026890, 2364705, 2432268, 2837646, 3040335, 3152940, 4053780, 4256469, 4729410, 5675292, 6080670, 7094115, 8512938, 9458820, 12161340, 14188230, 17025876, 21282345, 28376460, 42564690, 85129380]

約数ペア:
[(1, 85129380), (2, 42564690), (3, 28376460), (4, 21282345), (5, 17025876), (6, 14188230), (7, 12161340), (9, 9458820), (10, 8512938), (12, 7094115), (14, 6080670), (15, 5675292), (18, 4729410), (20, 4256469), (21, 4053780), (27, 3152940), (28, 3040335), (30, 2837646), (35, 2432268), (36, 2364705), (42, 2026890), (45, 1891764), (54, 1576470), (60, 1418823), (63, 1351260), (70, 1216134), (81, 1050980), (84, 1013445), (90, 945882), (105, 810756), (108, 788235), (126, 675630), (135, 630588), (140, 608067), (162, 525490), (180, 472941), (189, 450420), (210, 405378), (252, 337815), (270, 315294), (315, 270252), (324, 262745), (378, 225210), (405, 210196), (420, 202689), (540, 157647), (567, 150140), (630, 135126), (756, 112605), (810, 105098), (945, 90084), (1134, 75070), (1260, 67563), (1620, 52549), (1890, 45042), (2268, 37535), (2835, 30028), (3780, 22521), (5670, 15014), (7507, 11340)]

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