About the Number

420409872

420409871 ← → 420409873

2進数表記:11001000011101111001000010000

漢数字表記:四億二千四十万九千八百七十二

素因数分解:

2 4 × 3 3 × 461 1 × 2111 1

素因数の和:2589
約数の個数: 80
約数和(自身を含む): 1209922560
約数和(自身を除く): 789512688

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 461, 922, 1383, 1844, 2111, 2766, 3688, 4149, 4222, 5532, 6333, 7376, 8298, 8444, 11064, 12447, 12666, 16596, 16888, 18999, 22128, 24894, 25332, 33192, 33776, 37998, 49788, 50664, 56997, 66384, 75996, 99576, 101328, 113994, 151992, 199152, 227988, 303984, 455976, 911952, 973171, 1946342, 2919513, 3892684, 5839026, 7785368, 8758539, 11678052, 15570736, 17517078, 23356104, 26275617, 35034156, 46712208, 52551234, 70068312, 105102468, 140136624, 210204936, 420409872]

約数ペア:
[(1, 420409872), (2, 210204936), (3, 140136624), (4, 105102468), (6, 70068312), (8, 52551234), (9, 46712208), (12, 35034156), (16, 26275617), (18, 23356104), (24, 17517078), (27, 15570736), (36, 11678052), (48, 8758539), (54, 7785368), (72, 5839026), (108, 3892684), (144, 2919513), (216, 1946342), (432, 973171), (461, 911952), (922, 455976), (1383, 303984), (1844, 227988), (2111, 199152), (2766, 151992), (3688, 113994), (4149, 101328), (4222, 99576), (5532, 75996), (6333, 66384), (7376, 56997), (8298, 50664), (8444, 49788), (11064, 37998), (12447, 33776), (12666, 33192), (16596, 25332), (16888, 24894), (18999, 22128)]

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