About the Number

201489480

201489479 ← → 201489481

2進数表記:1100000000100111110001001000

漢数字表記:二億百四十八万九千四百八十

素因数分解:

2 3 × 3 2 × 5 1 × 71 1 × 7883 1

素因数の和:7971
約数の個数: 96
約数和(自身を含む): 664148160
約数和(自身を除く): 462658680

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 7883, 8520, 12780, 15766, 23649, 25560, 31532, 39415, 47298, 63064, 70947, 78830, 94596, 118245, 141894, 157660, 189192, 236490, 283788, 315320, 354735, 472980, 559693, 567576, 709470, 945960, 1119386, 1418940, 1679079, 2238772, 2798465, 2837880, 3358158, 4477544, 5037237, 5596930, 6716316, 8395395, 10074474, 11193860, 13432632, 16790790, 20148948, 22387720, 25186185, 33581580, 40297896, 50372370, 67163160, 100744740, 201489480]

約数ペア:
[(1, 201489480), (2, 100744740), (3, 67163160), (4, 50372370), (5, 40297896), (6, 33581580), (8, 25186185), (9, 22387720), (10, 20148948), (12, 16790790), (15, 13432632), (18, 11193860), (20, 10074474), (24, 8395395), (30, 6716316), (36, 5596930), (40, 5037237), (45, 4477544), (60, 3358158), (71, 2837880), (72, 2798465), (90, 2238772), (120, 1679079), (142, 1418940), (180, 1119386), (213, 945960), (284, 709470), (355, 567576), (360, 559693), (426, 472980), (568, 354735), (639, 315320), (710, 283788), (852, 236490), (1065, 189192), (1278, 157660), (1420, 141894), (1704, 118245), (2130, 94596), (2556, 78830), (2840, 70947), (3195, 63064), (4260, 47298), (5112, 39415), (6390, 31532), (7883, 25560), (8520, 23649), (12780, 15766)]

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