About the Number

13991220

13991219 ← → 13991221

2進数表記:110101010111110100110100

漢数字表記:千三百九十九万千二百二十

素因数分解:

2 2 × 3 2 × 5 1 × 19 1 × 4091 1

素因数の和:4125
約数の個数: 72
約数和(自身を含む): 44684640
約数和(自身を除く): 30693420

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 4091, 8182, 12273, 16364, 20455, 24546, 36819, 40910, 49092, 61365, 73638, 77729, 81820, 122730, 147276, 155458, 184095, 233187, 245460, 310916, 368190, 388645, 466374, 699561, 736380, 777290, 932748, 1165935, 1399122, 1554580, 2331870, 2798244, 3497805, 4663740, 6995610, 13991220]

約数ペア:
[(1, 13991220), (2, 6995610), (3, 4663740), (4, 3497805), (5, 2798244), (6, 2331870), (9, 1554580), (10, 1399122), (12, 1165935), (15, 932748), (18, 777290), (19, 736380), (20, 699561), (30, 466374), (36, 388645), (38, 368190), (45, 310916), (57, 245460), (60, 233187), (76, 184095), (90, 155458), (95, 147276), (114, 122730), (171, 81820), (180, 77729), (190, 73638), (228, 61365), (285, 49092), (342, 40910), (380, 36819), (570, 24546), (684, 20455), (855, 16364), (1140, 12273), (1710, 8182), (3420, 4091)]

このpageの処理時間: 0.00613093376159668 seconds