About the Number

101978490

101978489 ← → 101978491

2進数表記:110000101000001000101111010

漢数字表記:一億百九十七万八千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 107 1 × 31769 1

素因数の和:31886
約数の個数: 32
約数和(自身を含む): 247043520
約数和(自身を除く): 145065030

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 31769, 63538, 95307, 158845, 190614, 317690, 476535, 953070, 3399283, 6798566, 10197849, 16996415, 20395698, 33992830, 50989245, 101978490]

約数ペア:
[(1, 101978490), (2, 50989245), (3, 33992830), (5, 20395698), (6, 16996415), (10, 10197849), (15, 6798566), (30, 3399283), (107, 953070), (214, 476535), (321, 317690), (535, 190614), (642, 158845), (1070, 95307), (1605, 63538), (3210, 31769)]

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