About the Number

4020940

4020939 ← → 4020941

2進数表記:1111010101101011001100

漢数字表記:四百二万九百四十

素因数分解:

2 2 × 5 1 × 7 2 × 11 1 × 373 1

素因数の和:407
約数の個数: 72
約数和(自身を含む): 10744272
約数和(自身を除く): 6723332

約数列:
[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 373, 385, 490, 539, 746, 770, 980, 1078, 1492, 1540, 1865, 2156, 2611, 2695, 3730, 4103, 5222, 5390, 7460, 8206, 10444, 10780, 13055, 16412, 18277, 20515, 26110, 28721, 36554, 41030, 52220, 57442, 73108, 82060, 91385, 114884, 143605, 182770, 201047, 287210, 365540, 402094, 574420, 804188, 1005235, 2010470, 4020940]

約数ペア:
[(1, 4020940), (2, 2010470), (4, 1005235), (5, 804188), (7, 574420), (10, 402094), (11, 365540), (14, 287210), (20, 201047), (22, 182770), (28, 143605), (35, 114884), (44, 91385), (49, 82060), (55, 73108), (70, 57442), (77, 52220), (98, 41030), (110, 36554), (140, 28721), (154, 26110), (196, 20515), (220, 18277), (245, 16412), (308, 13055), (373, 10780), (385, 10444), (490, 8206), (539, 7460), (746, 5390), (770, 5222), (980, 4103), (1078, 3730), (1492, 2695), (1540, 2611), (1865, 2156)]

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