About the Number

238447920

238447919 ← → 238447921

2進数表記:1110001101100110110100110000

漢数字表記:二億三千八百四十四万七千九百二十

素因数分解:

2 4 × 3 1 × 5 1 × 47 1 × 21139 1

素因数の和:21202
約数の個数: 80
約数和(自身を含む): 754951680
約数和(自身を除く): 516503760

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 21139, 42278, 63417, 84556, 105695, 126834, 169112, 211390, 253668, 317085, 338224, 422780, 507336, 634170, 845560, 993533, 1014672, 1268340, 1691120, 1987066, 2536680, 2980599, 3974132, 4967665, 5073360, 5961198, 7948264, 9935330, 11922396, 14902995, 15896528, 19870660, 23844792, 29805990, 39741320, 47689584, 59611980, 79482640, 119223960, 238447920]

約数ペア:
[(1, 238447920), (2, 119223960), (3, 79482640), (4, 59611980), (5, 47689584), (6, 39741320), (8, 29805990), (10, 23844792), (12, 19870660), (15, 15896528), (16, 14902995), (20, 11922396), (24, 9935330), (30, 7948264), (40, 5961198), (47, 5073360), (48, 4967665), (60, 3974132), (80, 2980599), (94, 2536680), (120, 1987066), (141, 1691120), (188, 1268340), (235, 1014672), (240, 993533), (282, 845560), (376, 634170), (470, 507336), (564, 422780), (705, 338224), (752, 317085), (940, 253668), (1128, 211390), (1410, 169112), (1880, 126834), (2256, 105695), (2820, 84556), (3760, 63417), (5640, 42278), (11280, 21139)]

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