About the Number

90401388

90401387 ← → 90401389

2進数表記:101011000110110101001101100

漢数字表記:九千四十万千三百八十八

素因数分解:

2 2 × 3 1 × 7 1 × 11 1 × 227 1 × 431 1

素因数の和:683
約数の個数: 96
約数和(自身を含む): 264757248
約数和(自身を除く): 174355860

約数列:
[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 227, 231, 308, 431, 454, 462, 681, 862, 908, 924, 1293, 1362, 1589, 1724, 2497, 2586, 2724, 3017, 3178, 4741, 4767, 4994, 5172, 6034, 6356, 7491, 9051, 9482, 9534, 9988, 12068, 14223, 14982, 17479, 18102, 18964, 19068, 28446, 29964, 33187, 34958, 36204, 52437, 56892, 66374, 69916, 97837, 99561, 104874, 132748, 195674, 199122, 209748, 293511, 391348, 398244, 587022, 684859, 1076207, 1174044, 1369718, 2054577, 2152414, 2739436, 3228621, 4109154, 4304828, 6457242, 7533449, 8218308, 12914484, 15066898, 22600347, 30133796, 45200694, 90401388]

約数ペア:
[(1, 90401388), (2, 45200694), (3, 30133796), (4, 22600347), (6, 15066898), (7, 12914484), (11, 8218308), (12, 7533449), (14, 6457242), (21, 4304828), (22, 4109154), (28, 3228621), (33, 2739436), (42, 2152414), (44, 2054577), (66, 1369718), (77, 1174044), (84, 1076207), (132, 684859), (154, 587022), (227, 398244), (231, 391348), (308, 293511), (431, 209748), (454, 199122), (462, 195674), (681, 132748), (862, 104874), (908, 99561), (924, 97837), (1293, 69916), (1362, 66374), (1589, 56892), (1724, 52437), (2497, 36204), (2586, 34958), (2724, 33187), (3017, 29964), (3178, 28446), (4741, 19068), (4767, 18964), (4994, 18102), (5172, 17479), (6034, 14982), (6356, 14223), (7491, 12068), (9051, 9988), (9482, 9534)]

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