About the Number

421006920

421006919 ← → 421006921

2進数表記:11001000110000000111001001000

漢数字表記:四億二千百万六千九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 29 1 × 311 1 × 389 1

素因数の和:743
約数の個数: 128
約数和(自身を含む): 1314144000
約数和(自身を除く): 893137080

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 311, 348, 389, 435, 580, 622, 696, 778, 870, 933, 1160, 1167, 1244, 1555, 1556, 1740, 1866, 1945, 2334, 2488, 3110, 3112, 3480, 3732, 3890, 4665, 4668, 5835, 6220, 7464, 7780, 9019, 9330, 9336, 11281, 11670, 12440, 15560, 18038, 18660, 22562, 23340, 27057, 33843, 36076, 37320, 45095, 45124, 46680, 54114, 56405, 67686, 72152, 90190, 90248, 108228, 112810, 120979, 135285, 135372, 169215, 180380, 216456, 225620, 241958, 270570, 270744, 338430, 360760, 362937, 451240, 483916, 541140, 604895, 676860, 725874, 967832, 1082280, 1209790, 1353720, 1451748, 1814685, 2419580, 2903496, 3508391, 3629370, 4839160, 7016782, 7258740, 10525173, 14033564, 14517480, 17541955, 21050346, 28067128, 35083910, 42100692, 52625865, 70167820, 84201384, 105251730, 140335640, 210503460, 421006920]

約数ペア:
[(1, 421006920), (2, 210503460), (3, 140335640), (4, 105251730), (5, 84201384), (6, 70167820), (8, 52625865), (10, 42100692), (12, 35083910), (15, 28067128), (20, 21050346), (24, 17541955), (29, 14517480), (30, 14033564), (40, 10525173), (58, 7258740), (60, 7016782), (87, 4839160), (116, 3629370), (120, 3508391), (145, 2903496), (174, 2419580), (232, 1814685), (290, 1451748), (311, 1353720), (348, 1209790), (389, 1082280), (435, 967832), (580, 725874), (622, 676860), (696, 604895), (778, 541140), (870, 483916), (933, 451240), (1160, 362937), (1167, 360760), (1244, 338430), (1555, 270744), (1556, 270570), (1740, 241958), (1866, 225620), (1945, 216456), (2334, 180380), (2488, 169215), (3110, 135372), (3112, 135285), (3480, 120979), (3732, 112810), (3890, 108228), (4665, 90248), (4668, 90190), (5835, 72152), (6220, 67686), (7464, 56405), (7780, 54114), (9019, 46680), (9330, 45124), (9336, 45095), (11281, 37320), (11670, 36076), (12440, 33843), (15560, 27057), (18038, 23340), (18660, 22562)]

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