About the Number

129955380

129955379 ← → 129955381

2進数表記:111101111101111011000110100

漢数字表記:一億二千九百九十五万五千三百八十

素因数分解:

2 2 × 3 1 × 5 1 × 29 1 × 74687 1

素因数の和:74728
約数の個数: 48
約数和(自身を含む): 376427520
約数和(自身を除く): 246472140

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 74687, 149374, 224061, 298748, 373435, 448122, 746870, 896244, 1120305, 1493740, 2165923, 2240610, 4331846, 4481220, 6497769, 8663692, 10829615, 12995538, 21659230, 25991076, 32488845, 43318460, 64977690, 129955380]

約数ペア:
[(1, 129955380), (2, 64977690), (3, 43318460), (4, 32488845), (5, 25991076), (6, 21659230), (10, 12995538), (12, 10829615), (15, 8663692), (20, 6497769), (29, 4481220), (30, 4331846), (58, 2240610), (60, 2165923), (87, 1493740), (116, 1120305), (145, 896244), (174, 746870), (290, 448122), (348, 373435), (435, 298748), (580, 224061), (870, 149374), (1740, 74687)]

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