About the Number

139480980

139480979 ← → 139480981

2進数表記:1000010100000100111110010100

漢数字表記:一億三千九百四十八万九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 2324683 1

素因数の和:2324695
約数の個数: 24
約数和(自身を含む): 390546912
約数和(自身を除く): 251065932

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2324683, 4649366, 6974049, 9298732, 11623415, 13948098, 23246830, 27896196, 34870245, 46493660, 69740490, 139480980]

約数ペア:
[(1, 139480980), (2, 69740490), (3, 46493660), (4, 34870245), (5, 27896196), (6, 23246830), (10, 13948098), (12, 11623415), (15, 9298732), (20, 6974049), (30, 4649366), (60, 2324683)]

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