About the Number

138015220

138015219 ← → 138015221

2進数表記:1000001110011111000111110100

漢数字表記:一億三千八百一万五千二百二十

素因数分解:

2 2 × 5 1 × 7 1 × 233 1 × 4231 1

素因数の和:4480
約数の個数: 48
約数和(自身を含む): 332736768
約数和(自身を除く): 194721548

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 2330, 3262, 4231, 4660, 6524, 8155, 8462, 16310, 16924, 21155, 29617, 32620, 42310, 59234, 84620, 118468, 148085, 296170, 592340, 985823, 1971646, 3943292, 4929115, 6900761, 9858230, 13801522, 19716460, 27603044, 34503805, 69007610, 138015220]

約数ペア:
[(1, 138015220), (2, 69007610), (4, 34503805), (5, 27603044), (7, 19716460), (10, 13801522), (14, 9858230), (20, 6900761), (28, 4929115), (35, 3943292), (70, 1971646), (140, 985823), (233, 592340), (466, 296170), (932, 148085), (1165, 118468), (1631, 84620), (2330, 59234), (3262, 42310), (4231, 32620), (4660, 29617), (6524, 21155), (8155, 16924), (8462, 16310)]

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