About the Number

138879480

138879479 ← → 138879481

2進数表記:1000010001110010000111111000

漢数字表記:一億三千八百八十七万九千四百八十

素因数分解:

2 3 × 3 1 × 5 1 × 421 1 × 2749 1

素因数の和:3184
約数の個数: 64
約数和(自身を含む): 417780000
約数和(自身を除く): 278900520

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 2749, 3368, 4210, 5052, 5498, 6315, 8247, 8420, 10104, 10996, 12630, 13745, 16494, 16840, 21992, 25260, 27490, 32988, 41235, 50520, 54980, 65976, 82470, 109960, 164940, 329880, 1157329, 2314658, 3471987, 4629316, 5786645, 6943974, 9258632, 11573290, 13887948, 17359935, 23146580, 27775896, 34719870, 46293160, 69439740, 138879480]

約数ペア:
[(1, 138879480), (2, 69439740), (3, 46293160), (4, 34719870), (5, 27775896), (6, 23146580), (8, 17359935), (10, 13887948), (12, 11573290), (15, 9258632), (20, 6943974), (24, 5786645), (30, 4629316), (40, 3471987), (60, 2314658), (120, 1157329), (421, 329880), (842, 164940), (1263, 109960), (1684, 82470), (2105, 65976), (2526, 54980), (2749, 50520), (3368, 41235), (4210, 32988), (5052, 27490), (5498, 25260), (6315, 21992), (8247, 16840), (8420, 16494), (10104, 13745), (10996, 12630)]

このpageの処理時間: 0.015688180923461914 seconds