About the Number

386980920

386980919 ← → 386980921

2進数表記:10111000100001101110000111000

漢数字表記:三億八千六百九十八万九百二十

素因数分解:

2 3 × 3 2 × 5 1 × 317 1 × 3391 1

素因数の和:3725
約数の個数: 96
約数和(自身を含む): 1262027520
約数和(自身を除く): 875046600

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 317, 360, 634, 951, 1268, 1585, 1902, 2536, 2853, 3170, 3391, 3804, 4755, 5706, 6340, 6782, 7608, 9510, 10173, 11412, 12680, 13564, 14265, 16955, 19020, 20346, 22824, 27128, 28530, 30519, 33910, 38040, 40692, 50865, 57060, 61038, 67820, 81384, 101730, 114120, 122076, 135640, 152595, 203460, 244152, 305190, 406920, 610380, 1074947, 1220760, 2149894, 3224841, 4299788, 5374735, 6449682, 8599576, 9674523, 10749470, 12899364, 16124205, 19349046, 21498940, 25798728, 32248410, 38698092, 42997880, 48372615, 64496820, 77396184, 96745230, 128993640, 193490460, 386980920]

約数ペア:
[(1, 386980920), (2, 193490460), (3, 128993640), (4, 96745230), (5, 77396184), (6, 64496820), (8, 48372615), (9, 42997880), (10, 38698092), (12, 32248410), (15, 25798728), (18, 21498940), (20, 19349046), (24, 16124205), (30, 12899364), (36, 10749470), (40, 9674523), (45, 8599576), (60, 6449682), (72, 5374735), (90, 4299788), (120, 3224841), (180, 2149894), (317, 1220760), (360, 1074947), (634, 610380), (951, 406920), (1268, 305190), (1585, 244152), (1902, 203460), (2536, 152595), (2853, 135640), (3170, 122076), (3391, 114120), (3804, 101730), (4755, 81384), (5706, 67820), (6340, 61038), (6782, 57060), (7608, 50865), (9510, 40692), (10173, 38040), (11412, 33910), (12680, 30519), (13564, 28530), (14265, 27128), (16955, 22824), (19020, 20346)]

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