About the Number

208990075

208990074 ← → 208990076

2進数表記:1100011101001110111101111011

漢数字表記:二億八百九十九万七十五

素因数分解:

5 2 × 7 1 × 23 1 × 137 1 × 379 1

素因数の和:556
約数の個数: 48
約数和(自身を含む): 312122880
約数和(自身を除く): 103132805

約数列:
[1, 5, 7, 23, 25, 35, 115, 137, 161, 175, 379, 575, 685, 805, 959, 1895, 2653, 3151, 3425, 4025, 4795, 8717, 9475, 13265, 15755, 22057, 23975, 43585, 51923, 61019, 66325, 78775, 110285, 217925, 259615, 305095, 363461, 551425, 1194229, 1298075, 1525475, 1817305, 5971145, 8359603, 9086525, 29855725, 41798015, 208990075]

約数ペア:
[(1, 208990075), (5, 41798015), (7, 29855725), (23, 9086525), (25, 8359603), (35, 5971145), (115, 1817305), (137, 1525475), (161, 1298075), (175, 1194229), (379, 551425), (575, 363461), (685, 305095), (805, 259615), (959, 217925), (1895, 110285), (2653, 78775), (3151, 66325), (3425, 61019), (4025, 51923), (4795, 43585), (8717, 23975), (9475, 22057), (13265, 15755)]

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