About the Number

2000428520

2000428519 ← → 2000428521

2進数表記:1110111001111000001110111101000

漢数字表記:二十億四十二万八千五百二十

素因数分解:

2 3 × 5 1 × 79 1 × 443 1 × 1429 1

素因数の和:1962
約数の個数: 64
約数和(自身を含む): 4571424000
約数和(自身を除く): 2570995480

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 443, 632, 790, 886, 1429, 1580, 1772, 2215, 2858, 3160, 3544, 4430, 5716, 7145, 8860, 11432, 14290, 17720, 28580, 34997, 57160, 69994, 112891, 139988, 174985, 225782, 279976, 349970, 451564, 564455, 633047, 699940, 903128, 1128910, 1266094, 1399880, 2257820, 2532188, 3165235, 4515640, 5064376, 6330470, 12660940, 25321880, 50010713, 100021426, 200042852, 250053565, 400085704, 500107130, 1000214260, 2000428520]

約数ペア:
[(1, 2000428520), (2, 1000214260), (4, 500107130), (5, 400085704), (8, 250053565), (10, 200042852), (20, 100021426), (40, 50010713), (79, 25321880), (158, 12660940), (316, 6330470), (395, 5064376), (443, 4515640), (632, 3165235), (790, 2532188), (886, 2257820), (1429, 1399880), (1580, 1266094), (1772, 1128910), (2215, 903128), (2858, 699940), (3160, 633047), (3544, 564455), (4430, 451564), (5716, 349970), (7145, 279976), (8860, 225782), (11432, 174985), (14290, 139988), (17720, 112891), (28580, 69994), (34997, 57160)]

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