About the Number

1389920

1389919 ← → 1389921

2進数表記:101010011010101100000

漢数字表記:百三十八万九千九百二十

素因数分解:

2 5 × 5 1 × 7 1 × 17 1 × 73 1

素因数の和:112
約数の個数: 96
約数和(自身を含む): 4027968
約数和(自身を除く): 2638048

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 73, 80, 85, 112, 119, 136, 140, 146, 160, 170, 224, 238, 272, 280, 292, 340, 365, 476, 511, 544, 560, 584, 595, 680, 730, 952, 1022, 1120, 1168, 1190, 1241, 1360, 1460, 1904, 2044, 2336, 2380, 2482, 2555, 2720, 2920, 3808, 4088, 4760, 4964, 5110, 5840, 6205, 8176, 8687, 9520, 9928, 10220, 11680, 12410, 16352, 17374, 19040, 19856, 20440, 24820, 34748, 39712, 40880, 43435, 49640, 69496, 81760, 86870, 99280, 138992, 173740, 198560, 277984, 347480, 694960, 1389920]

約数ペア:
[(1, 1389920), (2, 694960), (4, 347480), (5, 277984), (7, 198560), (8, 173740), (10, 138992), (14, 99280), (16, 86870), (17, 81760), (20, 69496), (28, 49640), (32, 43435), (34, 40880), (35, 39712), (40, 34748), (56, 24820), (68, 20440), (70, 19856), (73, 19040), (80, 17374), (85, 16352), (112, 12410), (119, 11680), (136, 10220), (140, 9928), (146, 9520), (160, 8687), (170, 8176), (224, 6205), (238, 5840), (272, 5110), (280, 4964), (292, 4760), (340, 4088), (365, 3808), (476, 2920), (511, 2720), (544, 2555), (560, 2482), (584, 2380), (595, 2336), (680, 2044), (730, 1904), (952, 1460), (1022, 1360), (1120, 1241), (1168, 1190)]

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