About the Number

220139440

220139439 ← → 220139441

2進数表記:1101000111110000111110110000

漢数字表記:二億二千十三万九千四百四十

素因数分解:

2 4 × 5 1 × 23 1 × 181 1 × 661 1

素因数の和:878
約数の個数: 80
約数和(自身を含む): 537840576
約数和(自身を除く): 317701136

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 181, 184, 230, 362, 368, 460, 661, 724, 905, 920, 1322, 1448, 1810, 1840, 2644, 2896, 3305, 3620, 4163, 5288, 6610, 7240, 8326, 10576, 13220, 14480, 15203, 16652, 20815, 26440, 30406, 33304, 41630, 52880, 60812, 66608, 76015, 83260, 119641, 121624, 152030, 166520, 239282, 243248, 304060, 333040, 478564, 598205, 608120, 957128, 1196410, 1216240, 1914256, 2392820, 2751743, 4785640, 5503486, 9571280, 11006972, 13758715, 22013944, 27517430, 44027888, 55034860, 110069720, 220139440]

約数ペア:
[(1, 220139440), (2, 110069720), (4, 55034860), (5, 44027888), (8, 27517430), (10, 22013944), (16, 13758715), (20, 11006972), (23, 9571280), (40, 5503486), (46, 4785640), (80, 2751743), (92, 2392820), (115, 1914256), (181, 1216240), (184, 1196410), (230, 957128), (362, 608120), (368, 598205), (460, 478564), (661, 333040), (724, 304060), (905, 243248), (920, 239282), (1322, 166520), (1448, 152030), (1810, 121624), (1840, 119641), (2644, 83260), (2896, 76015), (3305, 66608), (3620, 60812), (4163, 52880), (5288, 41630), (6610, 33304), (7240, 30406), (8326, 26440), (10576, 20815), (13220, 16652), (14480, 15203)]

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