About the Number

129428224

129428223 ← → 129428225

2進数表記:111101101101110101100000000

漢数字表記:一億二千九百四十二万八千二百二十四

素因数分解:

2 8 × 31 1 × 47 1 × 347 1

素因数の和:441
約数の個数: 72
約数和(自身を含む): 273143808
約数和(自身を除く): 143715584

約数列:
[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 128, 188, 248, 256, 347, 376, 496, 694, 752, 992, 1388, 1457, 1504, 1984, 2776, 2914, 3008, 3968, 5552, 5828, 6016, 7936, 10757, 11104, 11656, 12032, 16309, 21514, 22208, 23312, 32618, 43028, 44416, 46624, 65236, 86056, 88832, 93248, 130472, 172112, 186496, 260944, 344224, 372992, 505579, 521888, 688448, 1011158, 1043776, 1376896, 2022316, 2087552, 2753792, 4044632, 4175104, 8089264, 16178528, 32357056, 64714112, 129428224]

約数ペア:
[(1, 129428224), (2, 64714112), (4, 32357056), (8, 16178528), (16, 8089264), (31, 4175104), (32, 4044632), (47, 2753792), (62, 2087552), (64, 2022316), (94, 1376896), (124, 1043776), (128, 1011158), (188, 688448), (248, 521888), (256, 505579), (347, 372992), (376, 344224), (496, 260944), (694, 186496), (752, 172112), (992, 130472), (1388, 93248), (1457, 88832), (1504, 86056), (1984, 65236), (2776, 46624), (2914, 44416), (3008, 43028), (3968, 32618), (5552, 23312), (5828, 22208), (6016, 21514), (7936, 16309), (10757, 12032), (11104, 11656)]

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